Previous Year Questions
20 papers · 1582 questions — organised by subject with solutions and explanations.
🎯 Practice smarter, not harder
Just sign in to unlock everything. Free for all students.
1 Feb 2024 Shift 2
90 Questions · 360 Marks · 180 Min
30 Jan 2024 Shift 2
90 Questions · 360 Marks · 180 Min
8 Apr 2024 Shift 2
90 Questions · 360 Marks · 180 Min
8 Apr 2024 Shift 1
90 Questions · 360 Marks · 180 Min
6 Apr 2024 Shift 1
90 Questions · 360 Marks · 180 Min
29 Jan 2024 Shift 2
90 Questions · 360 Marks · 180 Min
27 Jan 2024 Shift 2
90 Questions · 360 Marks · 180 Min
5 Apr 2024 Shift 1
90 Questions · 360 Marks · 180 Min
30 Jan 2024 Shift 1
90 Questions · 360 Marks · 180 Min
29 Jan 2024 Shift 1
90 Questions · 360 Marks · 180 Min
27 Jan 2024 Shift 1
90 Questions · 360 Marks · 180 Min
9 Apr 2024 Shift 1
90 Questions · 360 Marks · 180 Min
31 Jan 2024 Shift 2
90 Questions · 360 Marks · 180 Min
31 Jan 2024 Shift 1
90 Questions · 360 Marks · 180 Min
6 Apr 2024 Shift 2
90 Questions · 360 Marks · 180 Min
9 Apr 2024 Shift 2
90 Questions · 360 Marks · 180 Min
1 Feb 2024 Shift 1
90 Questions · 360 Marks · 180 Min
4 Apr 2024 Shift 2
89 Questions · 356 Marks · 180 Min
4 Apr 2024 Shift 1
90 Questions · 360 Marks · 180 Min
5 Apr 2024 Shift 2
90 Questions · 360 Marks · 180 Min
IUPAC name of following hydrocarbon is :
A solution is prepared by adding 1 mole ethyl alcohol in 9 mole water. The mass percent of solute in the solution is ______ (Integer Answer) (Given : Molar mass in Ethyl alcohol : 46, water: 18)
Identify product A and product B : [29-Jan-2024 Shift 1]
Total number of species from the following with central atom utilising hybrid orbitals for bonding is. ________. ,
Choose the correct option having all the elements with electronic configuration from the following: [27-Jan-2024 Shift 2]
Product A and B formed in the following set of reactions are: [30-Jan-2024 Shift 2]
The 'Spin only' Magnetic moment for is ____ . given Atomic number of [31-Jan-2024 Shift 1]
The correct IUPAC name of is [29-Jan-2024 Shift 2]
Given below are two statements:Statement I: Fluorine has most negative electron gain enthalpy in its group.Statement II: Oxygen has least negative electron gain enthalpy in its group.In the light of t
In case of isoelectronic species the size of and is affected by: [1-Feb-2024 Shift 1]
Which among the following has highest boiling point? [1-Feb-2024 Shift 2]
The number of unpaired d-electrons in is ______
Number of complexes with even number of electrons in orbitals is -
An octahedral complex with the formula upon reaction with excess of solution given 2 moles of . Consider the oxidation state of Co in the complex is ' '. The value of " " is ______.
Choose the polar molecule from the following : [27-Jan-2024 Shift 1]
Given below are two statements :Statement I : The metallic radius of is and the ionic radius of is lesser than .Statement II : Ions are always smaller in size than the corresponding elements.In the li
For hydrogen atom, energy of an electron in first excited state is . of the same electron of hydrogen atom is . Value of is ______ . (Nearest integer)
Match List I with List II LIST I (Name of the test) LIST II (Reaction sequence involved) [M is metal] A. Borax bead test I. B. Charcoal cavity test II. c. Cobalt nitrate test III. D. Flame test IV. Ch
Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R. Assertion A : is more acidic than . Reason R: Bond dissociation enthalpy of is lower than .In the
What pressure (bar) of would be required to make emf of hydrogen electrode zero in pure water at ?
The quantity of silver deposited when one coulomb charge is passed through solution:
For a sparingly soluble salt , the equilibrium concentrations of ions and ions are and , respectively. The solubility product of is :
Which of the following has highly acidic hydrogen? [27-Jan-2024 Shift 1]
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).Assertion (A) : Melting point of Boron (2453 K) is unusually high in group 13 elements.Reason
Given below are two statement:Statement I : Bromination of phenol in solvent with low polarity such as or requires Lewis acid catalyst.Statement II : The lewis acid catalyst polarises the bromine to g
The incorrect statement regarding the geometrical isomers of 2-butene is:
Given below are two statements :Statement (I) : All the following compounds react with -toluenesulfonyl chloride. Statement (II) : Their products in the above reaction are soluble in aqueous .In the l
Identify the correct statements about p-block elements and their compounds.(A) Non metals have higher electronegativity than metals.(B) Non metals have lower ionisation enthalpy than metals.(C) Compou
Which of the following statements are correct ?A. Glycerol is purified by vacuum distillation because it decomposes at its normal boiling point.B. Aniline can be purified by steam distillation as anil
of gaseous hydrocarbon on combustion gives of and of water vapour. Total number of carbon and hydrogen atoms in the hydrocarbon is____ [1-Feb-2024 Shift 2]
Molar ionic conductivities of divalent cation and anion are and respectively. The molar conductivity of solution of an electrolyte with the above cation and anion will be :
The molar conductivity for electrolytes and are plotted against as shown below. Electrolytes A and B respectively are :
Given below are two statements:Statement I: and bloth exhibit hybridisation.Statement II: Both and exhibit hybridisation.In the light of the above statements, choose the correct answer from the option
Consider the given reaction, identify the major product .
The following concentrations were observed at for the formation of from and . At equilibrium : and . Equilibrium constant for the reaction is___ [29-Jan-2024 Shift 2]
The incorrect statements regarding enzymes are:(A) Enzymes are biocatalysts.(B) Enzymes are hon-specific and can catalyse different kinds of reactions.(C) Most Enzymes are globular proteins.(D) Enzyme
Which of the following compounds show colour due to d-d transition? [1-Feb-2024 Shift 2]
In which one of the following metal carbonyls, forms a bridge between metal atoms? [29-Jan-2024 Shift 1]
The difference in the 'spin-only' magnetic moment values of and the manganese product formed during titration of against oxalic acid in acidic medium is _______ . (nearest integer)
Consider the given chemical reaction :Product "A" is :
Total number of isomeric compounds (including stereoisomers) formed by monochlorination of 2-methylbutane is____ [1-Feb-2024 Shift 2]
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): The total number of geometrical isomers shown by complex ion is three Reason (
Combustion of 1 mole of benzene is expressed at The standard enthalpy of combustion of of benzene is - ' ' . _______. (1) standard Enthalpy of formation of of , for the reaction (graphite) is .(2) Sta
The equilibrium is shifted to the right in :
For the reaction , at for the reaction at same temperature is .(Given : ) [29-Jan-2024 Shift 1]
The number of correct reaction(s) among the following is _____.
Match List-I with List-II.Choose the correct answer from the options given below :
Which of the following statements is not correct about rusting of iron? [27-Jan-2024 Shift 2]
The total number of molecular orbitals formed from and atomic orbitals of a diatomic molecule [30-Jan-2024 Shift 1]
Standard enthalpy of vapourisation for is . Heat required for vapourisation of of at constant temperature is____ . (Given molar mass in ) [29-Jan-2024 Shift 2]
Identify the major product in the following reaction.
The final product A formed in the following multistep reaction sequence is [29-Jan-2024 Shift 1]
Number of elements from the following that CANNOT form compounds with valencies which match with their respective group valencies is ______.B, C, N, S, O, F, P, Al, Si
Which of the following acts as a strong reducing agent? (Atomic number : , [29-Jan-2024 Shift 2]
Consider the above reaction sequence and identify the major product .
For a reaction taking place in three steps at same temperature, overall rate constant . If and are 40,50 and respectively, the overall is . [29-Jan-2024 Shift 1]
Total number of electron present in molecular orbitals of and is ______.
The correct statements from the following are :(A) The decreasing order of atomic radii of group 13 elements is .(B) Down the group 13 electronegativity decreases from top to bottom.(C) dissolves in d
A solution of is by mass and has a density of . The molarity of the solution is (nearest integer) [Given molar mass of ] [29-Jan-2024 Shift 1]
Among and , the sum of spin-only magnetic moment values of basic and amphoteric oxides is ______ (nearest integer).(Given atomic number of is 24 )
Give below are two statements:Statement-I : Noble gases have very high boiling points.Statement-II: Noble gases are monoatomic gases. They are held together by strong dispersion forces. Because of thi
Match List I with List II List-I (Elements) List-II List-II(Properties in their respective groups) A. CI,S I. Elements with highest electronegativity B. Ge, As II. Elements with largest atomic size C.
Given below are two statements :Statement (I) : Dimethyl glyoxime forms a sixmembered covalent chelate when treated with solution in presence of .Statement (II) : Prussian blue precipitate contains ir
Anomalous behaviour of oxygen is due to its [29-Jan-2024 Shift 2]
Identify the mixture that shows positive deviations from Raoult's Law [31-Jan-2024 Shift 1]
For a certain thermochemical reaction at , equilibrium constant is _____ . [27-Jan-2024 Shift 2]
The element having the highest first ionization enthalpy is [29-Jan-2024 Shift 2]
The correct sequence of ligands in the order of decreasing field strength is :
Given below are two statements :Statement I: solid undergoes disproportionation reaction under alkaline conditions to form and Statement II: can undergo disproportionation reaction under acidic condit
Molality of an aqueous solution of urea is . Mole fraction of urea in solution is . Value of is ______ . (integer answer)
The mass of sodium acetate required to prepare of aqueous solution is ______g. (Molar mass of is ) [30-Jan-2024 Shift 1]
The number of element from the following that do not belong to lanthanoids is : and
Total number of unpaired electrons in the complex ion and is
For the electro chemical cell . If and , which of the following is correct?
Given below are two statements :Statement (I) : Kjeldahl method is applicable to estimate nitrogen in pyridine.Statement (II) : The nitrogen present in pyridine can easily be converted into ammonium s
Acid formed in above reaction is : [1-Feb-2024 Shift 2]
An organic compound has carbon, hydrogen and remainder is oxygen. If its molecular weight is 342 , then its molecular formula is :
3-Methylhex-2-ene on reaction with in presence of peroxide forms an addition product (A). The number of possible stereoisomers for 'A' is______ [27-Jan-2024 Shift 1]
Consider the following reaction The time taken for A to become of its initial concentration is twice the time taken to become of the same. Also, when the change of concentration of is plotted against
An artificial cell is made by encapsulating glucose solution within a semipermeable membrane. The osmotic pressure developed when the artificial cell is placed within a solution of at is ______ . (Nea
The product (C) in the following sequence of reactions has _____ bonds.
The correct order of first ionization enthalpy values of the following elements is :(A) (B) (C) (D) (E) Choose the correct answer from the options given below :
The of an aqueous solution containing benzoic acid and sodium benzoate is 4.5. The volume of benzoic acid solution in 300 of this buffer solution is_____ . [30-Jan-2024 Shift 2]
Given below are two statements :Statement (I) : Both metal and non-metal exist in and -block elements.Statement (II) : Non-metals have higher ionisation enthalpy and higher electronegativity than the
Consider the given chemical reaction sequence :Total sum of oxygen atoms in Product A and Product B are ______
reacts with conc. and to give reddish fumes (B), which react with to give yellow solution (C). (B) and (C) respectively are; [27-Jan-2024 Shift 1]
Match List I with List II LIST-I (Test) LIST-II (Observation) A. water test I. Yellow orange or orange red precipitate formed B. Ceric ammonium nitrate test II. Reddish orange colour disappears C. Cer
The linear combination of atomic orbitals to form molecular orbitals takes place only when the combining atomic orbitalsA. have the same energyB. have the minimum overlapC. have same symmetry about th
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : and molecule have pyramidal shape with a lone pair of electrons on nitrogen a
Identify the product and product in the following set of reactions.
Given below are two statements :Statement I : Acidity of -hydrogens of aldehydes and ketones is responsible for Aldol reaction.Statement II : Reaction between benzaldehyde and ethanal will NOT give Cr
Given below are two statements:Statement (I) : Oxygen being the first member of group 16 exhibits only -2 oxidation state.Statement (II) : Down the group 16 stability of +4 oxidation state decreases a
The arenium ion which is not involved in the bromination of Aniline is . [29-Jan-2024 Shift 1]
The standard reduction potentials at for the following half cells are given below : Consider the given electrochemical reactions, The number of metal(s) which will be oxidized be , in aqueous solution
Vanillin compound obtained from vanilla beans, has total sum of oxygen atoms and electrons is ______
A transition metal 'M' among and has the highest second ionisation enthalpy. The spin only magnetic moment value of ion is ______ (Near integer)(Given atomic number :
The major products formed: and respectively are:
Integrated rate law equation for a first order gas phase reaction is given by (where is initial pressure and is total pressure at time ) [31-Jan-2024 Shift 1]
In the precipitation of the iron group (III) in qualitative analysis, ammonium chloride is added before adding ammonium hydroxide to :
The number of tripeptides formed by three different amino acids using each amino acid once is______ [1-Feb-2024 Shift 2]
In acidic medium, shows oxidising action as represented in the half reaction and are respectively are: [1-Feb-2024 Shift 1]
The incorrect statement regarding conformations of ethane is: [27-Jan-2024 Shift 2]
Consider the following elements. Which of the following is/are true about and ?A. Order of atomic radii: B. Order of metallic character : C. Size of the element : D. Order of ionic radii : Choose the
Consider the following transformation involving first order elementary reaction in each step at constant temperature as shown below. Some details of the above reaction are listed below. Step 1 300 2 2
Molar mass of the salt from and which does not evolve coloured vapours on heating with concentrated is ______ , (Molar mass in , [31-Jan-2024 Shift 1]
The ascending acidity order of the following atoms is [29-Jan-2024 Shift 2]
When equal volume of and are separately neutralised by excess volume of solution. and of heat is liberated respectively. The value of is ______.
Choose the correct answer from the options given below :- List I (Spectral Series for Hydrogen) List II (Spectral Region Higher A. Lyman I. Infrared region B. Balmer II. UV region C. Paschen III. Infr
The fragrance of flowers is due to the presence of some steam volatile organic compounds called essential oils. These are generally insoluble in water at room temperature but are miscible with water v
Based on Heisenberg's uncertainty principle, the uncertainty in the velocity of the electron to be found within an atomic nucleus of diameter is ______ (nearest integer)[Given : mass of electron , Pla
Considering acetic acid dissociates in water, its dissociation constant is . If of acetic acid is dissolved in 1 litre water, the solution will freeze at , provided pure water freezes at . _______ . (
The number of species from the following in which the central atom uses hybrid orbitals in its bonding is______ [31-Jan-2024 Shift 1]
The major product of the following reaction is . Number of oxygen atoms present in product ' ' is ______ (nearest integer).
How many compounds among the following compounds show inductive, mesomeric as well as hyperconjugation effects?
Which of the following material is not a semiconductor.
The metal that shows highest and maximum number of oxidation state is:
Correct order of stability of carbanion is
Arrange the following elements in the increasing order of number of unpaired electrons in it.(A) (B) (C) (D) (E) Choose the correct answer from the options given below:
1 mole of is oxidised by " " moles of to get "Y" moles of [27-Jan-2024 Shift 2]
Consider the figure provided. of an ideal gas is kept in a cylinder, fitted with a piston, at the position , at . If the piston is moved to position , keeping the temperature unchanged, then ' ' atm w
During the detection of acidic radical present in a salt, a student gets a pale yellow precipitate soluble with difficulty in solution when sodium carbonate extract was first acidified with dil. and t
The technique used for purification of steam volatile water immiscible substance is: [27-Jan-2024 Shift 2]
Match List-I with List-II List-I (Complexion) List-II (Spin only magneticmoment in B.M.) (A) (I) 4.90 (B) (II) 3.87 (C) (III) 0.0 (D) (IV) 2.83Choose the correct answer from the options given below :
Match List I with List II LIST-I (Element) LIST-II (Electronic Configuration) A. Melting point I. B. Ionic Radius II. C. III. D. AtomicRadius[pm] IV. Choose the correct answer from the options given b
The major products from the following reaction sequence are product and product .The total sum of electrons in product and product are ______ (nearest integer)
thick coating of silver is deposited on a plate of area. The number of silver atoms deposited on plate are _____ . (At mass Ag [30-Jan-2024 Shift 1]
Sugar which does not give reddish brown precipitate with Fehling's reagent is: [30-Jan-2024 Shift 1]
Consider the following redox reaction : The standard reduction potentials are given as below If the equilibrium constant of the above reaction is given as , then the value of _____ (nearest integer) [
Common name of Benzene-1, 2-diol is
Number of and bonds present in ethylene molecule is respectively :
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason :Assertion (A) : reaction of occurs more readily than the reaction of .Reason (R) : The partially
Consider the following reactions The number of protons that do not involve in hydrogen bonding in the product is ______.
The difference in energy between the actual structure and the lowest energy resonance structure for the given compound is [29-Jan-2024 Shift 1]
Identify the product in the following reaction :
In alkaline medium. oxidises to [29-Jan-2024 Shift 1]
Given below are two statements:Statement (I) : The group in Aniline is ortho and para directing and a powerful activating group.Statement (II) : Aniline does not undergo FriedelCraft's reaction (alkyl
Phenol treated with chloroform in presence of sodium hydroxide, which further hydrolysed in presence of an acid results [29-Jan-2024 Shift 2]
Using the given figure, the ratio of values of sample and sample is . Value of is ______.Fig : Paper chromatography of Samples
The functional group that shows negative resonance effect is: [1-Feb-2024 Shift 2]
Match List I with List II List-I (Compound) List-II List-II (Colour) A. I. Violet B. II. Blood Red C. III. Prussian Blue D. IV. YellowChoose the correct answer from the options given below :
Number of compounds from the following with zero dipole moment is ______. ,
Number of amine compounds from the following giving solids which are soluble in upon reaction with Hinsberg's reagent is ________.
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R: Assertion A: The first ionisation enthalpy decreases across a period.Reason R: The increasing nucl
Given below are two statements:Statement-I: The orbitals having same energy are called as degenerate orbitals.Statement-II: In hydrogen atom, and orbitals are not degenerate orbitals.In the light of t
What will be the decreasing order of basic strength of the following conjugate bases?
If of oxalic acid is required to neutralise of solution, the amount of in of given solution is ____g. [29-Jan-2024 Shift 2]
The number of halobenzenes from the following that can be prepared by Sandmeyer's reaction is ______.
Cyclohexene is type of an organic compound. [27-Jan-2024 Shift 1]
A solution of two miscible liquids showing negative deviation from Raoult's law will have : [27-Jan-2024 Shift 1]
Number of complexes from the following with even number of unpaired "d" electrons is _______. [Given atomic numbers: ,
The statement(s) that are correct about the species and .(A) All are isoelectronic(B) All have the same nuclear charge(C) has the largest ionic radii(D) has the smallest ionic radiiChoose the most app
The Lassiagne's extract is boiled with dil before testing for halogens because, [30-Jan-2024 Shift 1]
Given below are two statements :Statement (I) : reactions are 'stereospecific', indicating that they result in the formation only one stereo-isomers as the product.Statement (II) : reactions generally
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).Assertion (A) : has lower boiling point than .Reason (R) : In liquid state molecules are associ
Among the following oxide of - block elements, number of oxides having amphoteric nature is , [1-Feb-2024 Shift 1]
of enthanamine was subjected to reaction with followed by hydrolysis to liberate and . The generated was completely neutralised by 0.2 moles of is _____ g.
The enthalpy of formation of ethane from ethylene by addition of hydrogen where the bondenergies of are , and respectively is - _______ .
Match List I with List II : List I (Hybridization) List II (Orientation inSpace) A. I. Trigonalbipyramidal B. II. Octahedral C. III. Tetrahedral D. IV. Square planarChoose the correct answer from the
If a substance ' ' dissolves in solution of a mixture of ' ' and ' ' with their respective number of moles as and , mole fraction of in the solution is: [30-Jan-2024 Shift 2]
Choose the correct statements from the followingA. is an oil at room temperatureB. reacts with acid to give C. is a basic oxideD. does not react with acidChoose the correct answer from the options giv
The correct statement regarding nucleophilic substitution reaction in a chiral alkyl halide is ; [27-Jan-2024 Shift 1]
From the given list, the number of compounds with +4 oxidation state of Sulphur ____________ . [27-Jan-2024 Shift 1]
The equilibrium constant for the reaction is . The value of for the reaction given below is is
of each of water and acetic acid are mixed, The freezing point of the solution will be . Consider the acetic acid does not dimerise in water, nor dissociates in water ______ (nearest integer)[Given :
Given below are two statements:Statement (I) : Aminobenzene and aniline are same organic compounds.Statement (II) : Aminobenzene and aniline are different organic compounds.In the light of the above s
Number of complexes which show optical isomerism among the following is [30-Jan-2024 Shift 2]
Consider the following complex ions The correct order of the complex ions, according to their spin only magnetic moment values (in B.M.) is : [27-Jan-2024 Shift 1]
Given below are two statements:Statement (I) : and are acidic while and are amphoteric in nature.Statement (II) : Allotropic forms of carbon are due to property of catenation and bond formation.In the
A constant current was passed through a solution of ion between gold electrodes. After a period of 10.0 minutes, the increase in mass of cathode was . The total charge passed through the solution is _
Total number of stereo isomers possible for the given structure:
The number of different chain isomers for is _______.
When ' ' methanol (molar mass ; density ) is added to water density , the following diagram is obtained. ________ (nearest integer)[Given: Molal freezing point depression constant of water at is ]
Given below are two statements:Statement I: IUPAC name of is 7-hydroxyheptan-2-one.Statement II: 2-oxoheptan-7-ol is the correct IUPAC name for above compound.In the light of the above statements. cho
Volume of (formula weight ) which can be prepared from of is _____ . [27-Jan-2024 Shift 2]
Match List I with List II LIST-I LIST-II A. I. B. II. C. III. D. IV. Choose the correct answer from the options given below:
The incorrect statement about Glucose is :
The correct arrangement for decreasing order of electrophilic substitution for above compounds
Match List I with List II List I (Bio Polymer) List II (Monomer) A. Starch I. nucleotide B. Cellulose II. -glucose C. Nucleic acid III. -glucose D. Protein IV. -amino acid Choose the correct answer fr
Choose the Incorrect Statement about Dalton's Atomic Theory
The following reaction occurs in the Blast furnance where iron ore is reduced to iron metal Using the Le-chatelier's principle, predict which one of the following will not disturb the equilibrium.
Sum of bond order of and is____ [27-Jan-2024 Shift 1]
The azo-dye formed in the following reactions is Sulphanilic acid [31-Jan-2024 Shift 2]
The amount of electricity in Coulomb required for the oxidation of of to is ______ . [1-Feb-2024 Shift 2]
Which among the following compounds will undergo fastest reaction.
Time required for completion of a first order reaction is ______ time the time required for completion of reaction.(nearest integer).
Structure of 4-Methylpent-2-enal is [30-Jan-2024 Shift 1]
Compare the energies of following sets of quantum numbers for multielectron system.(A) (B) (C) (D) (E) Choose the correct answer from the options given below :
The correct nomenclature for the following compound is:
The number of molecules/ion/s having trigonal bipyramidal shape is ........ . [1-Feb-2024 Shift 1]
2-chlorobutane (isomers)Total number of optically active isomers shown by , obtained in the above reaction is____ [30-Jan-2024 Shift 2]
Which of the following compound will most easily be attacked by an electrophile? [1-Feb-2024 Shift 1]
Given below are two statements:Statement-I: Since fluorine is more electronegative than nitrogen, the net dipole moment of is greater than .Statement-II: In , the orbital dipole due to lone pair and t
The correct IUPAC name of is:
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : In aqueous solutions is reducing while is oxidising in nature.Reason : Extra s
When and , then the temperature of vapour, at one atmosphere is ______ K.
The total number of 'Sigma' and bonds in 2formylhex-4-enoic acid is [29-Jan-2024 Shift 2]
The ratio of in a piece of wood is part that of atmosphere. If half life of is 5730 years, the age of wood sample is ..... years. [1-Feb-2024 Shift 1]
Consider the two different first order reactions given below (Reaction 1) (Reaction 2) The ratio of the half life of Reaction 1 : Reaction 2 is . If and represent the time taken to complete rd and of
Choose the correct Statements from the following:(A) Ethane-1 2-diamine is a chelating ligand.(B) Metallic aluminium is produced by elecrtrolysis of aluminium oxide in presence of cryolite.(C) Cyanide
Number of metal ions characterized by flame test among the following is_______ [30-Jan-2024 Shift 2]
The hydrogen electrode is dipped in a solution of at . The potential of the electrode will be____ . [27-Jan-2024 Shift 2]
Given below are two statement one is labeled as Assertion (A) and the other is labeled as Reason (R). Assertion (A): is an example of allyl halideReason (R): Allyl halides are the compounds in which t
Number of ambidentate ligands among the following is _______.
An ideal gas undergoes a cyclic transformation starting from the point and coming back to the same point by tracing the path as shown in the diagram. The total work done in the process is _____ . [30-
In the following sequence of reaction, the major products and respectively are :
Given below are two statements :Statement (I) : p-nitrophenol is more acidic than m-nitrophenol and o-nitrophenol.Statement (II) : Ethanol will give immediate turbidity with Lucas reagent.In the light
Identify B formed in the reaction. [27-Jan-2024 Shift 2]
The emf of cell is at 298 K. It could be increased by :
Number of oxygen atoms present in chemical formula of fuming sulphuric acid is ______.
Which of the following compounds will give silver mirror with ammoniacal silver nitrate?(A) Formic acid(B) Formaldehyde(C) Benzaldehyde(D) AcetoneChoose the correct answer from the options given below
The number of white coloured salts among the following is ................(A) (B) (c) (D) (E) (F) (G) (H) (I) (J) [1-Feb-2024 Shift 1]
Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R)Assertion (A): Enthalpy of neutralisation of strong monobasic acid with strong monoacidic base i
The coordination geometry around the manganese in decacarbonyldimanganese(0) [30-Jan-2024 Shift 2]
Which of the following gives a positive test with ninhydrin?
Which of the following are aromatic?
If one strand of a DNA has the sequence ATGCTTCA, sequence of the bases in complementary strand is: [1-Feb-2024 Shift 1]
Number of geometrical isomers possible for the given structure is/are____ [30-Jan-2024 Shift 2]
The number of ions from the following that have the ability to liberate hydrogen from a dilute acid is ______ . and
The molecular formula of second homologue in the homologous series of mono carboxylic acids is [27-Jan-2024 Shift 2]
Which among the following aldehydes is most reactive towards nucleophilic addition reactions?
and formed in the following reactions are: [30-Jan-2024 Shift 2]
Frequency of the de-Broglie wave of election in Bohr's first orbit of hydrogen atom is ______ (nearest integer).[Given : (Rydberg constant) . Plank's constant J.s.
of ethylamine is subjected to reaction with followed by water; evolved dinitrogen gas which occupied volume at STP. is _____ .
Identity the incorrect pair from the following: [27-Jan-2024 Shift 2]
In the reaction of potassium dichromate, potassium chloride and sulfuric acid (conc.), the oxidation state of the chromium in the product is ___ [31-Jan-2024 Shift 2]
Mass of methane required to produce of after complete combustion is g.(Given Molar mass in g mol-1 [27-Jan-2024 Shift 1]
The total number of carbon atoms present in tyrosine, an amino acid, is ______.
Match List - I with List - II. List-I (Reactants)List-II Products(A) Phenol, (I) Salicylaldehyde(B) Phenol, (II) Salicylic acid(C) Phenol, (III) Benzene(D) Phenol, Conc. (IV) Picric acid Choose the co
In the given compound, the number of carbon atom is ______.
On passing a gas, ' ', through Nessler's reagent, a brown precipitate is obtained. The gas ' ' is [29-Jan-2024 Shift 2]
m-chlorobenzaldehyde on treatment with solution yields [30-Jan-2024 Shift 2]
The metal atom present in the complex MABXL (where and are unidentate ligands and is metal) involves hybridization. The number of geometrical isomers exhibited by the complex is:
Which of the following is strongest Bronsted base? [27-Jan-2024 Shift 1]
Match List I with List II LIST-I (Element) LIST-II (Electronic Configuration) A. N I. B. S II. C. Br III. D. Kr IV. Choose the correct answer from the options given below :
If the above equation is balanced with integer coefficients, the value of is____ [30-Jan-2024 Shift 1]
Molality of solution (density ) is ____ . [29-Jan-2024 Shift 2]
If three moles of an ideal gas at expand isotherrnally from to against a constant opposing pressure of , then the amount of heat transferred is ______J. [27-Jan-2024 Shift 1]
Match List-I with List-II. List-I(Test) List-II (Identification) (A) Bayer's test (I) Phenol (B) Ceric ammonium nitrate test (II) Aldehyde (C) Phthalein dye test (III) Alcoholic-OH group (D) Schiff's
From the compounds given below, number of compounds which give positive Fehling's test is____Benzaldehyde, Acetaldehyde, Acetone,Acetophenone,Methanal, 4-nitrobenzaldehyde, cyclohexane carbaldehyde. [
Given below are two statements :Statement I: Nitration of benzene involves the following step -Statement II: Use of Lewis base promotes the electrophilic substitution of benzene.In the light of the ab
This reduction reaction is known as: [30-Jan-2024 Shift 1]
The fusion of chromite ore with sodium carbonate in the presence of air leads to the formation of products and along with the evolution of . The sum of spin-only magnetic moment values of and is _____
Major product of the following reaction is
The number of neutrons present in the more abundant isotope of boron is ' '. Amorphous boron upon heating with air forms a product, in which the oxidation state of boron is ' '. The value of is ...
Identify compound in the following reaction sequence.
The Molarity (M) of an aqueous solution containing of in water is :(Given : Molar Mass Na : 23 and )
Given below are two statements :Statement (I) : Aqueous solution of ammonium carbonate is basic.Statement (II) : Acidic/basic nature of salt solution of a salt of weak acid and weak base depends on an
The number of radial node/s for orbital is: [1-Feb-2024 Shift 2]
Given below are two statements :Statement (I) : The oxildation state of an element in a particular compound is the charge acquired by its atom on the basis of electron gain enthalpy consideration from
If an iron (III) complex with the formula has no electron in its orbital, then the value of is
Identify the incorrect pair from the following : [29-Jan-2024 Shift 1]
Given below are the two statements: one is labeled as Assertion (A) and the other is labeled as Reason (R). Assertion (A): There is a considerable increase in covalent radius from to . However from As
Identify the incorrect statements regarding primary standard of titrimetric analysis(A) It should be purely available in dry form.(B) It should not undergo chemical change in air.(C) It should be hygr
Number of molecules from the following which are exceptions to octet rule is _____. ,
The products and formed in the following reaction scheme are respectively [30-Jan-2024 Shift 2]
The oxidation number of iron in the compound formed during brown ring test for ion is___ [29-Jan-2024 Shift 2]
Identify and in the following reaction sequence. [31-Jan-2024 Shift 2]
Match List I and with List II List-I (Molecule) List-II(Shape) A. I. Square pyramid B. II. Tetrahedral C. III. Trigonal pyramidal D. IV. Trigonal bipyramidal Choose the correct answer from the option
Phenolic group can be identified by a positive: [27-Jan-2024 Shift 2]
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).Assertion (A) : Haloalkanes react with to form alkyl cyanides as a main product while with for
In Reimer - Tiemann reaction, phenol is converted into salicylaldehyde through an intermediate. The structure of intermediate is ______.
For a strong electrolyte, a plot of molar conductivity against (concentration) is a straight line, with a negative slope, the correct unit for the slope is
Mass of ethylene glycol (antifreeze) to be added to of water to protect the freezing point at is_____ (Molar mass in for ethylene glycol of water ) [1-Feb-2024 Shift 2]
Iron (III) catalyses the reaction between iodide and persulphate ions, in whichA. oxidises the iodide ionB. oxidises the persulphate ionC. reduces the iodide ionD. reduces the persulphate ionChoose th
Number of molecules/species from the following having one unpaired electron is ______.
Following Kjeldahl's method, of organic compound released ammonia, that neutralised 10 of . The percentage of nitrogen in the compound is_______ . [1-Feb-2024 Shift 2]
The 'spin only' magnetic moment value of is _______ . (Where is a metal having least metallic radii. among and ).(Given atomic number: , and )
Given below are two statements :Statement I : The rate law for the reaction is rate . When the concentration of both and is doubled, the reaction rate is increased " " times.Statement II :The figure i
Highest enol content will be shown by : [27-Jan-2024 Shift 1]
Match List I with List II List-I List-II A. -Glucose and -Galactose I. Functional isomers B. - Glucose and -Glucose II. Homologous C. - Glucose and -Fructose III. Anomers D. -Glucose and -Ribose IV. E
From the vitamins and , the number vitamins that can be stored in our body is____ [31-Jan-2024 Shift 2]
Bond line formula of is: [27-Jan-2024 Shift 2]
Given below are two statements:Statement I : and can act as ligands to form transition metal complexes.Statement II: As N and P are from same group, the nature of bonding of and is always same with tr
Consider the following reaction Product ' ' in neutral or acidic medium disproportionate to give products ' ' and ' ' along with water. The sum of spin-only magnetic moment values of and is _______ BM
For the given reaction, choose the correct expression of from the following: [31-Jan-2024 Shift 1]
Ionic reactions with organic compounds proceed through:(A) Homolytic bond cleavage(B) Heterolytic bond cleavage(C) Free radical formation(D) Primary free radical(E) Secondary free radicalChoose the co
Consider the following single step reaction in gas phase at constant temperature. . The initial rate of the reaction is recorded as when the reaction starts with pressure of and pressure of . After so
Which of the following electronic configuration would be associated with the highest magnetic moment? [27-Jan-2024 Shift 1]
The product formed in the following reaction is: [29-Jan-2024 Shift 2]
Number of alkanes obtained on electrolysis of a mixture of and is___ [31-Jan-2024 Shift 1]
Alkyl halide is converted into alkyl isocyanide by reaction with [29-Jan-2024 Shift 2]
Number of spectral lines obtained in spectra, when an electron makes transition from fifth excited state to first excited state will be___ [30-Jan-2024 Shift 2]
The product of the following reaction is . The number of hydroxyl groups present in the product is_____ [31-Jan-2024 Shift 1]
Which of the following compound can give positive iodoform test when treated with aqueous solution followed by potassium hypoiodite.
We have three aqueous solutions of labelled as ' ', ' ' and ' ' with concentration , , respectively. The value of van t' Haft factor (i) for these solutions will be in the order. [1-Feb-2024 Shift 1]
The reaction at cathode in the cells commonly used in clocks involves.
Wavenumber for a radiation having wavelength is . The value of is _____.
Alkaline oxidative fusion of gives " " which on electrolytic oxidation in alkaline solution produces B. A and B respectively are: [30-Jan-2024 Shift 2]
Consider the following reaction: If of is mixed with of , then amount of formed is ______mmol. (nearest integer) [1-Feb-2024 Shift 1]
The heat of solution of anhydrous and are and respectively.The heat of hydration of to is . The value of is ______.
The interaction between bond and lone pair of electrons present on an adjacent atom is responsible for [29-Jan-2024 Shift 1]
Number of compounds which give reaction with Hinsberg's reagent is______ [1-Feb-2024 Shift 2]
Number of molecules/ions from the following in which the central atom is involved in hybridization is ______.
Molality (m) of aqueous solution of is: (Given : Density of solution , Molar mass in
The total number of 'sigma' and 'Pi' bonds in 2 -oxohex-4-ynoic acid is _____
Which out of the following is a correct equation to show change in molar conductivity with respect to concentration for a weak electrolyte, if the symbols carry their usual meaning :
Consider the following first order gas phase reaction at constant temperature If the total pressure of the gases is found to be 200 torr after . and 300 torr upon the complete decomposition of after a
required for a reaction is produced by decomposition of in as by equation The initial concentration of is and it is after 30 minutes.The rate of formation of is , value of is______ [30-Jan-2024 Shift
Identify from the following species in which hybridization is shown by central atom: [27-Jan-2024 Shift 2]
Number of compounds with one lone pair of electrons on central atom amongst following is __ [29-Jan-2024 Shift 1]
Chromatographic technique/s based on the principle of differential adsorption is/areA. Column chromatographyB. Thin layer chromatographyC. Paper chromatographyChoose the most appropriate answer from t
Match List-I with List-II. Choose the correct answer from the options given below: [27-Jan-2024 Shift 2]
The number of species from the following which are paramagnetic and with bond order equal to one is____ [29-Jan-2024 Shift 1]
Match List I with List II : List I (Molecule / Species) List II (Property / Shape) A. I. Paramagnetic B. NO II. Diamagnetic C. III. Tetrahedral D. IV. Linear Choose the correct answer from the options
Which of the following is the correct structure of L-Glucose?
Identify structure of 2,3-dibromo-1-phenylpentane. [31-Jan-2024 Shift 2]
Given below are two statements:Statement - I: Along the period, the chemical reactivity of the element gradually increases from group 1 to group 18.Statement - II: The nature of oxides formed by group
Coagulation of egg, on heating is because of :
In which one of the following pairs the central atoms exhibit hybridization?
Match List - I with List - II. List-I List-II (A) ICI (I) T -Shape (B) (II) Square pyramidal (C) (III) Pentagonalbipyramidal (D) (IV) LinearChoose the correct answer from the options given below:
Which of the following reactions are disproportionation reactions?(A) (B) (C) (D) Choose the correct answer from the options given below: [1-Feb-2024 Shift 1]
Identify and in the given chemical reaction sequence :-
Match List-I with List-II List-ITetrahedral Complex List-IIElectronic configuration (A) (I) (B) (II) (C) (III) (D) (IV) Choose the correct answer from the option given below:
The Spin only magnetic moment value of square planar complex is _____B.M. (Nearest integer)(Given atomic number for ) [27-Jan-2024 Shift 2]
Identify the major products and respectively in the following set of reactions.
What happens to freezing point of benzene when small quantity of napthalene is added to benzene? [30-Jan-2024 Shift 1]
Correct order of basic strength of Pyrrole
Number of compounds/species from the following with non-zero dipole moment is _______ ,
Given below are two statements :Statement (I) : Fusion of with and an oxidising agent gives dark green .Statement (II) : Manganate ion on electrolytic oxidation in alkaline medium gives permanganate i
One of the commonly used electrode is calomel electrode. Under which of the following categories calomel electrode comes ?
of a non-volatile, non-electrolyte is dissolved in of water at . The solution showed a boiling point elevation by . Assuming the solute concentration in negligible with respect to the solvent concentr
Identify the incorrect statements about group 15 elements :(A) Dinitrogen is a diatomic gas which acts like an inert gas at room temperature.(B) The common oxidation states of these elements are and +
Choose the correct answer from options given below: List - I (Reactions) (A) (B) (C) (D) List - II (Reagents) (I) (II) and conc. (III) (IV) [1-Feb-2024 Shift 1]
Lassaigne's test is used for detection of : [1-Feb-2024 Shift 2]
The following data were obtained during the first order thermal decomposition of a gas A at constant volume: S.No Time/s Total pressure/(atm) 1. 0 0.1 2. 115 0.28 The rate constant of the reaction is
Which one of the following will show geometrical isomerism? [29-Jan-2024 Shift 2]
A sample of and weighed is ignited to constant weight of . The composition of mixture is :(Given molar mass in [31-Jan-2024 Shift 2]
Match List I with List II LIST-I LIST-II A. Glucose/NaHCO I. Gluconic acid B. Glucose/ II. No reaction C. Glucose/HI/ III. n-hexane D. Glucose/Bromine water IV. Saccharic acid Choose the correct answe
A first row transition metal with highest enthalpy of atomisation, upon reaction with oxygen at high temperature forms oxides of formula (where ). The 'spin-only' magnetic moment value of the amphoter
The product in the below mentioned reaction is: [31-Jan-2024 Shift 1]
The order of relative stability of the contributing structure is: Choose the correct answer from the options given below: [27-Jan-2024 Shift 2]
Product is
Identify ' ' in the following reaction :
Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R: Assertion A: value of phenol is 10.0 while that of ethanol is 15.9.Reason R: Ethanol is stronger a
When and are the wave functions of atomic orbitals, then is represented by :
Phthalimide is made to undergo following sequence of reactions.Total number of bonds present in product 'P' is/are Phthalimide
Following is a confirmatory test for aromatic primary amines. Identify reagent (A) and (B) [30-Jan-2024 Shift 1]
Element not showing variable oxidation state is : [27-Jan-2024 Shift 1]
The electronic configuration of Einsteinium is : Given atomic number of Einsteinium
Only of solution of unknown molarity is required to reach the end point of a titration of of oxalic acid (2 M) in acidic medium. The molarity of solution should be ______ M.
Given below are two statements :Statement (I) : A Buffer solution is the mixture of a salt and an acid or a base mixed in any particular quantities.Statement (II) : Blood is naturally occurring buffer
If 5 moles of an ideal gas expands from to a volume of at under isothermal and reversible condition then work, , is . The value of is_____(Given ) [31-Jan-2024 Shift 2]
Lowest Oxidation number of an atom in a compound is -2 . The number of an electron in its valence shell is [1-Feb-2024 Shift 1]
Aluminium chloride in acidified aqueous solution forms an ion having geometry [30-Jan-2024 Shift 1]
The number of moles of methane required to produce after complete combustion is:(Given molar mass of methane in )
Which of the following statements are correct about and ?A. They exhibit high enthalpy of atomization as the d-subshell is full.B. and do not show variable oxidation state while shows and + II.C. Comp
The density of ' ' solution (' ' molar) of is . while in molality, the concentration of the solution is ( 3 molal). Then is (Given : Molar mass of is )
Given below are two statements :Statement (I) : A bonding MO has lower electron density above and below the inter-nuclear asix.Statement (II) : The antibonding MO has a node between the nuclei.In the
The transition metal having highest ionisation enthalpy is : [1-Feb-2024 Shift 2]
Identify major product " " formed in the following reaction :
The electronic configuration for Neodymium is:[Atomic Number for Neodymium 60] [27-Jan-2024 Shift 1]
In the given TLC, the distance of spot A & B are , from the bottom of TLC plate, respectively. value of is times more than . The value of is ______.
Functional group present in sulphonic acid is:
Two moles of benzaldehyde and one mole of acetone under alkaline conditions using aqueous after heating gives as the major product. The number of bonds in the product is
On reaction of Lead Sulphide with dilute nitric acid which of the following is not formed?
The maximum number of orbitals which can be identified with and is _______
The quantity which changes with temperature is: [27-Jan-2024 Shift 2]
In Kjeldahl's method for estimation of nitrogen, acts as : [1-Feb-2024 Shift 1]
The correct statements among the following, for a "chromatography" purification method is:
Among the following halogens and Which can undergo disproportionation reaction?
The total number of molecules with zero dipole moment among and is______ [29-Jan-2024 Shift 2]
The incorrect statement regarding ethyne is
At and pressure, a cylinder is filled with equal number of and molecules for the reaction , the for the process is ________.
Match List - I with List - II. List-I (Pair of Compounds) List-II (Isomerism) (A) n-propanol and Isopropanol (I) Metamerism (B) Methoxypropane and ethoxyethane (II) Chain Isomerism (C) Propanone and p
A first row transition metal in its +2 oxidation state has a spin-only magnetic moment value of . The atomic number of the metal is
when treated with gives green colour solution of . The [SPM : Semi Permeable Membrane] Due to osmosis :
The molarity of orthophosphoric acid having purity by weight (specific gravity ) is______ M.(Molar mass of ) [31-Jan-2024 Shift 2]
The correct order of the first ionization enthalpy is
IUPAC name of following compound is : [27-Jan-2024 Shift 1]
The reaction; occurs in which of the following galvanic cell :
Which of the following is metamer of the given compound ?
Given below are two statements:Statement - I: High concentration of strong nucleophilic reagent with secondary alkyl halides which do not have bulky substituents will follow mechanism.Statement - II:
Match List I with List II : List I (Compound /Species) List II (Shape / Geometry) A. I. Tetrahedral B. II. Pyramidal C. III. See saw D. IV. Bent T-shapeChoose the correct answer from the options given
The element which shows only one oxidation state other than its elemental form is :
Which among the following halide/s will not show reaction:(A) (B) Choose the most appropriate answer from the options given below: [27-Jan-2024 Shift 2]
Which one the following compounds will readily react with dilute ?
Fuel cell, using hydrogen and oxygen as fuels,A. has been used in spaceshipB. has as efficiency of to produce electricityC. uses aluminium as catalystsD. is eco-friendlyE. is actually a type of Galvan
For the reaction at and . The reaction will become spontaneous above _______ K.
Time required for completion of of a First order reaction is_____ times of half life of the reaction. [27-Jan-2024 Shift 2]
The ions make the enamel on teeth much harder by converting hydroxyapatite (the enamel on the surface of teeth) into much harder fluoroapatite having the formula.
Match List-I with List-II List-I Molecule List-II Shape (A) (I) T-shape(B) (II) See saw(C) (III) Bent(D) (IV) Square pyramidal [30-Jan-2024 Shift 1]
Two reactions are given below: Then enthalpy change for following reaction [30-Jan-2024 Shift 2]
For the given compounds, the correct order of increasing value :
Which among the following is incorrect statement?
Given below are two statements :Statement I : Gallium is used in the manufacturing of thermometers.Statement II : A thermometer containing gallium is useful for measuring the freezing point ( ) of bri
In a borax bead test under hot condition, a metal salt (one from the given) is heated at point B of the flame, resulted in green colour salt bead. The spin-only magnetic moment value of the salt is ..
for a reaction, of is decomposed in 120 minutes. The time taken for decomposition of is ____ minutes. [31-Jan-2024 Shift 2]
Diamagnetic Lanthanoid ions are: [30-Jan-2024 Shift 1]
and are respectively known as: [1-Feb-2024 Shift 2]
The number of non-polar molecules from the following is______ [27-Jan-2024 Shift 2]
Consider the following complexes.The correct order of A, B, C and D in terms of wavenumber of light absorbed is :
Given below are two statements:Statement I: Aniline reacts with con. followed by heating at gives aminobenzene sulphonic acid, which gives blood red colour in the 'Lassaigne's test'.Statement II: In F
Two nucleotides are joined together by a linkage known as : [27-Jan-2024 Shift 1]
Identify major product ' ' formed in the following reaction. [31-Jan-2024 Shift 2]
Match List I with List II LIST-I (Cell) LIST-II (Use/Property/Reaction) A. Leclanchecell I. Converts energy of combustion into electrical energy B. Ni-Cd cell II. Does not involve any ion in solution
Major product of the following reaction has _______ -bond.
Identify the correct set of reagents or reaction conditions ' ' and ' ' in the following set of transformation.
In the given reactions identify the reagent and reagent [30-Jan-2024 Shift 1]
The compound that is white in color is [31-Jan-2024 Shift 1]
In the above reaction product ' ' is
If of aniline is reacted with one equivalent of benzenediazonium chloride, the mximum amount of aniline yellow formed will be ______ g. (nearest integer)(consider complete conversion)
For a certain reaction at , then for the same reaction is______ . (Given ) [1-Feb-2024 Shift 2]
Number of moles of methane required to produce after combustion is moles. The value of is [31-Jan-2024 Shift 1]
Given below are two statements :Statement I: Group 13 trivalent halides get easily hydrolyzed by water due to their covalent nature.Statement II: upon hydrolysis in acidified aqueous solution forms oc
Which of the following complex is homoleptic? [1-Feb-2024 Shift 1]
Number of carbocations from the following that are not stabilized by hyperconjugation is _______.
Which of the following cannot function as an oxidising agent? [27-Jan-2024 Shift 2]
An amine (X) is prepared by ammonolysis of benzyl chloride. On adding p-toluenesulphonyl chloride to it the solution remains clear. Molar mass of the amine (X) formed is ______ . (Given molar mass in
The correct statements from following are:A. The strength of anionic ligands can be explained by crystal field theory.B. Valence bond theory does not give a quantitative interpretation of kinetic stab
Type of amino acids obtained by hydrolysis of proteins is : [29-Jan-2024 Shift 1]
According to IUPAC system, the compound is named as [29-Jan-2024 Shift 2]
if IUPAC name of an element is "Unununnium" then the element belongs to nth group of periodic table. The value of is____ [30-Jan-2024 Shift 1]
For a reaction If the rate of formation of is set to be zero then the concentration of is given by :
How can an electrochemical cell be converted into an electrolytic cell?
In the Claisen-Schmidt reaction to prepare of dibenzalacetone using of acetone, the amount of benzaldehyde required is _____ g. (Nearest integer)
When and is added to a salt (A), the greenish yellow gas liberated as salt (A) is :
The correct statement/s about Hydrogen bonding is/are :A. Hydrogen bonding exists when is covalently bonded to the highly electro negative atom.B. Intermolecular bonding is present in o-nitro phenolC.
Choose the correct option for free expansion of an ideal gas under adiabatic condition from the following : [1-Feb-2024 Shift 1]
Match List I with List II LIST I (Technique) LIST II (Application) A. Distillation I. Separation of glycerol from spent-lye B. Fractional distillation II. Aniline - Water mixture C. Steam distillation
Major product formed in the following reaction is amixture of: [27-Jan-2024 Shift 2]
Find out the major product formed from the following reaction.
Given below are two statements: One is labelled as Assertion and the other is labelled as Reason R:Assertion A : The stability order of +1 oxidation state of , In and is .Reason R : The inert pair eff
The number of species from the following that have pyramidal geometry around the central atom is ______.
Identify (B) and (C) and how are (A) and (C) related ? (1) functionalgroupisomers (2) Derivative (3) positionisomers (4) chainisomers
From of aniline, the maximum amount of acetanilide that can be prepared will be ______ . (95)
Number of optical isomers possible for 2 - chlorobutane ......... [1-Feb-2024 Shift 1]
A conductivity cell with two electrodes (dark side) are half filled with infinitely dilute aqueous solution of a weak electrolyte. If volume is doubled by adding more water at constant temperature, th
In chromyl chloride test for confirmation of ion, a yellow solution is obtained. Acidification of the solution and addition of amyl alcohol and 10% turns organic layer blue indicating formation of chr
Given below are two statements : one is labelled as Assertion (A) : and the other is labelled as Reason (R). Assertion (A) : Both rhombic and monoclinic sulphur exist as while oxygen exists as .Reason
The correct order of reactivity in electrophilic substitution reaction of the following compounds is : [31-Jan-2024 Shift 2]
The compound formed by the reaction of ethanal with semicarbazide contains ______number of nitrogen atoms. [30-Jan-2024 Shift 1]
Choose the correct statements from the followingA. All group 16 elements form oxides of general formula and where and Po. Both the types of oxides are acidic in nature.B. is an oxidising agent while i
of pure aniline upon diazotisation followed by coupling with phenol gives an orange dye. The mass of orange dye produced (assume 100% yield/ conversion) is _____ g. (nearest integer)
The total number of species from the following in which one unpaired electron is present, is _______.
The incorrect postulates of the Dalton's atomic theory are :(A) Atoms of different elements differ in mass.(B) Matter consists of divisible atoms.(C) Compounds are formed when atoms of different eleme
Total number of ions from the following with noble gas configuration is______ [27-Jan-2024 Shift 2]
Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R:Assertion A: Alcohols react both as nucleophiles and electrophiles.Reason R: Alcohols react with ac
The de-Broglie's wavelength of an electron in the orpbit is ______ . Bohr's radius)
Molarity (M) of an aqueous solution containing of anhyd. in solution at is . Its molality will be ______ . (nearest integer). [Given density of the solution .]
The rate of first order reaction is at 10 minutes and at 20 minutes after initiation. Half life of the reaction is_______ minutes. (Given [30-Jan-2024 Shift 1]
Among the following, total number of meta directing functional groups is (Integer based) [27-Jan-2024 Shift 1]
Appearance of blood red colour, on treatment of the sodium fusion extract of an organic compound with in presence of concentrated indicates the presence of element/s [29-Jan-2024 Shift 1]
An ideal gas, , is expanded adiabatically against a constant pressure of untill it doubles in volume. If the initial temperature and pressure is and , respectively then the final temperature is ______
Which one of the following reactions is NOT possible?
A diatomic molecule has a dipole moment of . If the bond distance is , then fractional charge on each atom is ____ .(Given esu ) [31-Jan-2024 Shift 2]
of aniline is subjected to reaction with excess of acetic anhydride to prepare acetanilide. The mass of acetanilide produced if the reaction is completed is ____ . (Given molar mass in : 12, [27-Jan-2
According to the wave-particle duality of matter by de-Broglie, which of the following graph plot presents most appropriate relationship between wavelength of electron and momentum of electron ? [1-Fe
Which among the following purification methods is based on the principle of "Solubility" in two different solvents? [30-Jan-2024 Shift 2]
Match List I with List II : List I (Precipitating reagent andconditions) List II (Cation) A. I. B. II. C. gas III. D. dilute IV. Choose the correct answer from the options given below :
Number of compounds among the following which contain sulphur as heteroatom isFuran,Thiophene, Pyridine, Pyrrole, Cysteine, Tyrosine [29-Jan-2024 Shift 1]
Consider the following data for the given reaction The order of the reaction is _________. [27-Jan-2024 Shift 1]
Identify the reagents used for the following conversion [29-Jan-2024 Shift 2]
The osmotic pressure of a dilute solution is at . Osmotic pressure of the same solution at is . [29-Jan-2024 Shift 1]
Given below are two statements :Statement I : The higher oxidation states are more stable down the group among transition elements unlike p-block elements.Statement II : Copper can not liberate hydrog
The correct sequence of electron gain enthalpy of the elements listed below isA. B. C. FD. SChoose the most appropriate from the options given below: [31-Jan-2024 Shift 1]
The heat of combustion of solid benzoic acid at constant volume is at . The heat of combustion at constant pressure is , the value of is ______
DNA molecule contains 4 bases whoes structure are shown below. One of the structure is not correct, identify the incorrect base structure.
A reagent which gives brilliant red precipitate with Nickel ions in basic medium is [29-Jan-2024 Shift 2]
The total number of hydrogen atoms in product and product is_____ [31-Jan-2024 Shift 1]
One Faraday of electricity liberates gram atom of copper from copper sulphate, is_____ [31-Jan-2024 Shift 1]
Solubility of calcium phosphate (molecular mass, M) in water is per at . Its solubility product at will be approximately. [1-Feb-2024 Shift 2]
During Kinetic study of reaction , the following results were obtained:Based on above data, overall order of the reaction is ______.
The total number of anti bonding molecular orbitals, formed from and atomic orbitals in a diatomic molecule is___ [29-Jan-2024 Shift 2]
Total number of aromatic compounds among the following compounds is ______.
Match List I with List II LIST-I (Substances)LIST-II (Element Present)A.Ziegler catalystI.RhodiumB.Blood PigmentII. CobaltC.Wilkinson catalyst III.IronD.Vitamin IV.Titanium Choose the correct answer f
of pure aniline is treated with bromine water at room temperature to give a white precipitate of the product ' '. The mass of product ' ' obtained is . The percentage yield is ......... %.
In the lewis dot structure for , total number of valence electrons around nitrogen is _______.
Given below are two statements:Statement (I): A solution of is green in colour.Statement (II): A solution of is colourless.In the light of the above statements, choose the most appropriate answer from
Given below are two statements :Statement I: In group 13, the stability of +1 oxidation state increases down the group.Statement II: The atomic size of gallium is greater than that of aluminium.In the
The at which begins to precipitate from a solution containing ions is____ [30-Jan-2024 Shift 1]
Among and , the spin-only magnetic moment value of the species with least oxidising ability is ................ BM (Nearest integer).(Given atomic member
The value of Rydberg constant is . The velocity of electron having mass in Bohr's first orbit of hydrogen atom (nearest integer)
The values of conductivity of some materials at are , , . The number of conductors among the materials is____ [31-Jan-2024 Shift 2]
Number of compounds from the following which cannot undergo Friedel-Crafts reactions is : _____ toluene, nitrobenzene, xylene, cumene, aniline, chlorobenzene, m-nitroaniline, m-dinitrobenzene
The vapour pressure of pure benzene and methyl benzene at is given as and 24 Torr, respectively. The mole fraction of methyl benzene in vapour phase, in equilibrium with an equimolar mixture of those
The final product , formed in the following multistep reaction sequence is: [30-Jan-2024 Shift 1]
Number of isomeric products formed by monochlorination of 2-methylbutane in presence of sunlight is_______ [31-Jan-2024 Shift 2]
The correct stability order of the following resonance structures of is
The potential for the given half cell at is . (Given: ) [1-Feb-2024 Shift 1]
Methods used for purification of organic compounds are based on :
The correct set of four quantum numbers for the valence electron of rubidium atom is: [29-Jan-2024 Shift 1]
Choose the correct statements about the hydrides of group 15 elements.A. The stability of the hydrides decreases in the order B. The reducing ability of the hydrides increases in the order C. Among th
Identify the factor from the following that does not affect electrolytic conductance of a solution. [31-Jan-2024 Shift 1]
Select the compound from the following that will show intramolecular hydrogen bonding. [1-Feb-2024 Shift 2]
Given below are two statements:Statement (I) : In the Lanthanoids, the formation of is favoured by its noble gas configuration.Statement (II) : is a strong oxidant reverting to the common +3 state.In
Consider the given reaction. The total number of oxygen atoms present per molecule of the product (P) is___ [29-Jan-2024 Shift 1]
Consider the above chemical reaction. Product " " is:
decomposes on heating at to form along with [29-Jan-2024 Shift 1]
Which one of the following molecules has maximum dipole moment?
Which of the following is not correct? [29-Jan-2024 Shift 1]
Identify the product (A) in the following reaction.
Identify the product in the following reaction:
Which of the following reaction is correct? [29-Jan-2024 Shift 2]
Consider the following test for a group-IV cation. (Black precipitate) + byproductt aqua regia byproductThe spin only magnetic moment value of the metal complex is _____ BM.(Nearest integer)
The ratio of number of oxygen atoms to bromine atoms in the product is _____ .
The correct sequence of acidic strength of the following aliphatic acids in their decreasing order is : ,
Consider the oxides of group 14 elements and . The amphoteric oxides are [31-Jan-2024 Shift 1]
In qualitative test for identification of presence of phosphorous, the compound is heated with an oxidising agent. Which is further treated with nitric acid and ammonium molybdate respectively. The ye
Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R : Assertion A : Aryl halides cannot be prepared by replacement of hydroxyl group of phenol by halo
Product 'A' Consider the above reactions, identify product and product .
The mass of zinc produced by the electrolysis of zinc sulphate solution with a steady current of 0.015 A for 15 minutes is ____ . Atomic mass of zinc [29-Jan-2024 Shift 1]
Yellow compound of lead chromate gets dissolved on treatment with hot solution. The product of lead formed is a : [27-Jan-2024 Shift 1]
Thiosulphate reacts differently with iodine and bromine in the reaction given below : Which of the following statement justifies the above dual behaviour of thiosulphate?
Given below are two statements :Statement I : The electronegativity of group 14 elements from to gradually decreases.Statement II : Group 14 contains non-metallic, metallic, as well as metalloid eleme
Evaluate the following statements related to group 14 elements for their correctness.(A) Covalent radius decreases down the group from to in a regular manner.(B) Electronegativity decreases from to do
In the given reactions identify [1-Feb-2024 Shift 2]
The four quantum numbers for the electron in the outer most orbital of potassium (atomic no. 19) are [31-Jan-2024 Shift 2]
The candela is the luminous intensity, in a given direction, of a source that emits monochromatic radiation of frequency ' ' hertz and that has a radiant intensity in that direction of watt per sterad
Total number of compounds with Chiral carbon atoms from following is___ [27-Jan-2024 Shift 2]
Identify correct statements from below:A. The chromate ion is square planar.B. Dichromates are generally prepared from chromates.C. The green manganate ion is diamagnetic.D. Dark green coloured dispro
In an atom, total number of electrons having quantum numbers and is
Identify and in the following sequence of reaction [1-Feb-2024 Shift 1]
The spin only magnetic moment value of the ion among and , that acts as strong oxidising agent in aqueous solution is .......... BM (Near integer).(Given atomic numbers: , Co : 27)
Consider the dissociation of the weak acid HX as given below , . The osmotic pressure of aqueous solution of at is _______ bar (nearest integer). [Given : ]
Relative stability of the contributing structures is :
The correct stability order of carbocations is [30-Jan-2024 Shift 2]
Given below are two statements :Statement (I) : The and - series of elements are placed separately in the Periodic table to preserve the principle of classification.Statement (II) :S-block elements ca
Which of the following molecule/species is most stable? [30-Jan-2024 Shift 1]
The molecule/ion with square pyramidal shape is: [30-Jan-2024 Shift 2]
Which of the following nitrogen containing compound does not give Lassaigne's test ?
Combustion of glucose produces and water. The amount of oxygen (in g) required for the complete combustion of of glucose is: [Molar mass of glucose in ]
The ratio for the reaction: is:
On a thin layer chromatographic plate, an organic compound moved by , while the solvent moved by . The retardation factor of the organic compound is ________ [30-Jan-2024 Shift 1]
Choose the correct answer from the options given below:
Given below are two statements:Statement I : The correct order of first ionization enthalpy values of and is .Statement II : The correct order of negative electron gain enthalpy values of and is In th
A species having carbon with sextet of electrons and can act as electrophile is called [31-Jan-2024 Shift 1]
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).Assertion (A): Cis form of alkene is found to be more polar than the trans formReason (R): Dip
The correct relationship between and equilibrium pressure is [31-Jan-2024 Shift 2]
The coordination environment of ion in its complex with EDTA is :
Match List-I with List-IIList-IList-IISpeciesElectronic distribution(A) (I) (B) (II) (C) (III) (D) (IV) Choose the correct answer from the options given below: [30-Jan-2024 Shift 1]
Which one of the following complexes will exhibit the least paramagnetic behaviour?[Atomic number, ]
The ascending order of acidity of group in the following compounds is : Choose the correct answer from the options given below : [27-Jan-2024 Shift 1]
Reduction potential of ions are given below: The correct order of their oxidising power is: [30-Jan-2024 Shift 2]
Salicylaldehyde is synthesized from phenol, when reacted with [30-Jan-2024 Shift 2]
While preparing crystals of Mohr's salt, dil. is added to a mixture of ferrous sulphate and ammonium sulphate, before dissolving this mixture in water, dil. is added here to:
A hypothetical electromagnetic wave is show below.The frequency of the wave is . _____ (nearest integer)
The solution from the following with highest depression in freezing point/lowest freezing point is [30-Jan-2024 Shift 2]
Given below are two statements :Statement I : Picric acid is 2, 4, 6-trinitrotoluene.Statement II : Phenol-2, 4-disulphuric acid is treated with conc. to get picric acid.In the light of the above stat
Among the given organic compounds, the total number of aromatic compounds is [27-Jan-2024 Shift 1]
The correct order of ligands arranged in increasing field strength.
The shape of carbocation is:
The orange colour of and purple colour of is due to [30-Jan-2024 Shift 2]
Given below are two statements :Statement (I) : Potassium hydrogen phthalate is a primary standard for standardisation of sodium hydroxide solution.Statement (II) : In this titration phenolphthalein c
The set of meta directing functional groups from the following sets is: [1-Feb-2024 Shift 2]
The major product in the following reaction is [29-Jan-2024 Shift 1]
Which structure of protein remains intact after coagulation of egg white on boiling? [27-Jan-2024 Shift 2]
Match List -I with List II: List - IMechanism steps List - IIEffect (A) (I) effect (B) (II) effect (C) (III) effect (D) (IV) effectChoose the correct answer from the options given below :
The number of complexes from the following with no electrons in the orbital is _______
Choose the correct answer from the options given below : LIST - I (Complex ion) LIST - II Electronic Configuration A. I. B. II. C. III. D. IV. [31-Jan-2024 Shift 2]
For the given hypothetical reactions, the equilibrium constants are as follows: The equilibrium constant for the reaction is
Number of moles of ions required by 1 mole of to oxidise oxalate ion to is_____ [31-Jan-2024 Shift 2]
Arrange the bonds in order of increasing ionic character in the molecules. and [1-Feb-2024 Shift 1]
The ionization energy of sodium in . If electromagnetic radiation of wavelength is just sufficient to ionize sodium atom is___ [31-Jan-2024 Shift 1]
The strongest reducing agent amont the following is: [1-Feb-2024 Shift 2]
Given below are two statements:IUPAC name of Compound is 4-chloro-1, 3-dinitrobenzene:IUPAC name of Compound is 4-ethyl-2-methylaniline.In the light of the above statements, choose the most appropriat
The number of optical isomers in following compound is : _______.
For the compounds: (A) (B) (C) (D) The increasing order of boiling point is : Choose the correct answer from the options given below :
The correct increasing order for bond angles among and is :
The incorrect statement regarding the given structure is
Given below are two statements:Statement I : On passing through a saturated solution of , at room temperature white turbidity appears.Statement II : When gas is passed through a saturated solution of
Given below are two statements:Statement-I: The gas liberated on warming a salt with dil , turns a piece of paper dipped in lead acetate into black, it is a confirmatory test for sulphide ion.Statemen
The mass of silver (Molar mass of ) displaced by a quantity of electricity which displaces of at S.T.P. will be _____g. [27-Jan-2024 Shift 1]
Three moles of an ideal gas are compressed isothermally from to using constant pressure of . Heat exchange for the compression is - ______ Lit. atm.
The total number of correct statements, regarding the nucleic acids isA. RNA is regarded as the reserve of genetic information.B. DNA molecule self-duplicates during cell divisionC. DNA synthesizes pr
A compound (x) with molar mass undergoes acetylation to give product with molar mass . The number of amino groups in the compound is______ [31-Jan-2024 Shift 2]
The metals that are employed in the battery industries areA. B. MnC. D. E. Choose the correct answer from the options given below: [31-Jan-2024 Shift 1]
Number of colourless lanthanoid ions among the following is ______.
Total number of species from the following which can undergo disproportionation reaction________ [30-Jan-2024 Shift 2]
Number of molecules from the following which can exhibit hydrogen bonding is ______ . (nearest integer)
Example of vinylic halide is [30-Jan-2024 Shift 1]
Total number of essential amino acid among the given list of amino acids is ______.Arginine, Phenylalanine, Aspartic acid, Cysteine, Histidine, Valine, Proline
The electron affinity value are negative for :A. B. C. D. E. Choose the most appropriate answer from the options given below :
Total number of deactivating groups in aromatic electrophilic substitution reaction among the following is [1-Feb-2024 Shift 1]
Match List I with List II List I (Compound) List II A. Ethanol I. 10.0 B. Phenol II. 15.9 C. m-Nitrophenol III. 7.1 D. p-Nitrophenol IV. 8.3 Choose the correct answer from the options given below :- [
Which of the following is least ionic? [31-Jan-2024 Shift 2]
Identify the name reaction. [31-Jan-2024 Shift 2]
The electronic configuration of (II) is whereas that of is . Which of the following is correct?
Number of molecules having bond order 2 from the following molecule is ______ .
Chlorine undergoes disproportionation in alkaline medium as shown below : The values of and in a balanced redox reaction are respectively : [29-Jan-2024 Shift 1]
The number of ions from the following that are expected to behave as oxidising agent is:
Total number of optically active compounds from the following is ______.
IUPAC name of following compound is [30-Jan-2024 Shift 2]
Consider the following reaction at . . . for the reaction is _____kJ. (Given ) [31-Jan-2024 Shift 1]
The number of electrons present in all the completely filled subshells having and is_____(Where principal quantum number and spin quantum number [27-Jan-2024 Shift 1]
A solution containing of an electrolyte in of water boils at . The degree of ionization of the electrolyte is ________ . (nearest integer)[Given : Molar mass of (molal boiling point elevation const. o
Major product of the following reaction is - [31-Jan-2024 Shift 2]
Consider the following reaction, the rate expression of which is given below: [equation] [equation] The reaction is initiated by taking concentration and each. If the rate constant ( ) is , then the t
What is the structure of C?
for water is at 1 bar and . Change in internal energy for this vapourisation under same condition is ______ . (Integer answer) Given
Select the option with correct property - [31-Jan-2024 Shift 2]
In the above chemical reaction sequence " " and " " respectively are :
for is and for is . The of ammonium acetate solution will be [1-Feb-2024 Shift 1]
Let and let denote the power set of . If the number of functions such that is and and is least, then is equal to______ [30-Jan-2024 Shift 1]
An integer is chosen at random from the integers 1 , . The probability that the chosen integer is a multiple of atleast one of 4, 6 and 7 is [29-Jan-2024 Shift 2]
The area (in sq. units) of the region described by , and is
If , then is equal to : [1-Feb-2024 Shift 2]
If , then is equal to_____ [31-Jan-2024 Shift 2]
Let a rectangle of sides 2 and 4 be inscribed in another rectangle such that the vertices of the rectangle lie on the sides of the rectangle . Let and be the sides of the rectangle when its area is ma
Let and . Then the total number of one-one maps , such that , is :
Let the set be partitioned into 3 sets with equal number of elements such that and . The maximum number of such possible partitions of is equal to :
The number of distinct real roots of the equation , is ______.
Let be the distance of the point of intersection of the lines and from the point . Then is equal to :
Given the inverse trigonometric function assumes principal values only. Let be any two real numbers in such that Then, the minimum value of is
If and (fof) , where , then (gogog) ( 4) is equal to [31-Jan-2024 Shift 1]
Let the solution of the differential equation satisfy . Then is equal to ________
Two integers and are chosen with replacement from the set . Then the probability that is : [30-Jan-2024 Shift 1]
Let be the roots of the equation . The quadratic equation, whose roots are and , is :
One of the points of intersection of the curves and is . Let the area of the region enclosed by these curves be , where . Then is equal to
If , is such that and , then is equal to [29-Jan-2024 Shift 1]
Let be a function satisfying for all . If , then [30-Jan-2024 Shift 2]
A bag contains 8 balls, whose colours are either white or black. 4 balls are drawn at random without replacement and it was found that 2 balls are white and other 2 balls are black. The probability th
Let, be the distinct roots of the equation and . Then the minimum value of is
is equal to
If the domain of the function is then is equal to :
Lef be a function given by Where . If is continuous at , then is equal to ______.
The integral is equal to :
Let the inverse trigonometric functions take principal values. The number of real solutions of the equation , is _______.
The total number of words (with or without meaning) that can be formed out of the letters of the word 'DISTRIBUTION' taken four at a time, is equal to_____ [31-Jan-2024 Shift 1]
is equal to :
Let the point, on the line passing through the points and , farther from the origin and at a distance of 9 units from the point , be . Then is equal to :
Let be the solution of the differential equation . Let the maximum and minimum values of the function in be and , respectively. If , then equals ...........
Let be the solution of the differential equation sec such that . Then is equal to : [30-Jan-2024 Shift 1]
The function , has [29-Jan-2024 Shift 2]
If and are the vertices of a quadrilateral , then its area is
The variance of the data 0156101217 3232633 Is [30-Jan-2024 Shift 2]
If , where and are rational numbers, then is equal to___ [29-Jan-2024 Shift 2]
The parabola divides the area of the circle in two parts. The area of the smaller part is equal to :
The function is
For the function , between the following two statements (S1) for only one value of is .(S2) is decreasing in and increasing in .
Let be the solution of the differential equation . Then the area enclosed by the curve and the line is ______.
Let the area of the region enclosed by the curve and the -axis between to be . Then is equal to ______.
If , then the value of equals ______.
If the value of the integral then the value of a is [29-Jan-2024 Shift 1]
The area of the region enclosed by the parabola and is equal to [31-Jan-2024 Shift 2]
In a tournament, a team plays 10 matches with probabilities of winning and losing each match as and respectively. Let be the number of matches that the team wins, and be the number of matches that tea
The distance, of the point from the line along the line , is : [27-Jan-2024 Shift 1]
If the solution of the given differential equation passes through the point , then the value of is equal to
The number of elements in the set ____ [1-Feb-2024 Shift 1]
Let for any three distinct consecutive terms a, b, c of an A.P, the lines be concurrent at the point and be a point such that the system of equations , has infinitely many solutions. Then is equal to_
Let and be a relation on . Let be the equivalence relation on such that and the number of elements in is . Then, the minimum value of is____ [31-Jan-2024 Shift 1]
The area of the region enclosed by the parabolas and is _______.
In an examination of Mathematics paper, there are 20 questions of equal marks and the question paper is divided into three sections: and . A student is required to attempt total 15 questions taking at
If is the solution of the differential equation , then is equal to :
If the mean and variance of the data , where are 56 and 66.2 respectively, then is equal to [29-Jan-2024 Shift 1]
If then is equal to : [1-Feb-2024 Shift 2]
Let be such that and .Then is equal to :
The number of integers, between 100 and 100 having the sum of their digits equals to 14, is ______.
Consider the function defined by and the function defined by . Then [27-Jan-2024 Shift 2]
The function [29-Jan-2024 Shift 2]
If the domain of the function is , then is equal to : [1-Feb-2024 Shift 2]
If and , then the value of is : [27-Jan-2024 Shift 1]
Let the set of all positive values of , for which the point of local minimum of the function Then is equal to ______.
If , where a, , then is equal to ________
If the domain of the function is , then the value of is equal to [30-Jan-2024 Shift 2]
Consider the following two statements :Statement I : For any two non-zero complex numbers andStatement II : If are three distinct complex numbers and are three positive real numbers such that , then B
Let be a complex number such that and . Then the value of is :
For , if and then is equal to [29-Jan-2024 Shift 1]
Let and be the feet of perpendiculars from the point on the lines and , respectively. If is a right angle, then is equal to____ [31-Jan-2024 Shift 1]
The interval in which the function , is strictly increasing is
Two marbles are drawn in succession from a box containing 10 red, 30 white, 20 blue and 15 orange marbles, with replacement being made after each drawing. Then the probability, that first drawn marble
For a differentiable function , suppose , where and . Then is equal to ______.
where is the constant of integration, then the value of is _______.
Let and where , Then a value of is [29-Jan-2024 Shift 1]
The area (in square units) of the region enclosed by the ellipse in the first quadrant below the line is :
Let the sum of the maximum and the minimum values of the function be , where . Then is equal to :
If the shortest distance between the lines is , where , then the value of equals.
The sum of all possible values of , for which is purely imaginary, is equal to
Let be a positive function such that the area bounded by from to is . Then the differential equation, whose general solution is , where and are arbitrary constants, is :
If and , then is strictly increasing in : [1-Feb-2024 Shift 1]
The lines and intersect at the point . If the distance of from the line is , then is equal to................. [27-Jan-2024 Shift 2]
The number of ways of getting a sum 16 on throwing a dice four times is _______.
If the function defined by is one-one and onto, then the distance of the point from the line is : [31-Jan-2024 Shift 2]
Let and . If , then is equal to : [1-Feb-2024 Shift 2]
The value , where denotes the greatest integer less than or equal to , is [30-Jan-2024 Shift 1]
Let be strictly increasing function such that . Then, the value of is equal to [31-Jan-2024 Shift 2]
60 words can be made using all the letters of the word BHBJO, with or without meaning. If these words are written as in a dictionary, then the word is :
is equal to [29-Jan-2024 Shift 1]
Let and be the roots of the equation , where . If and be the consecutive terms of a non-constant G.P and , then the value of is : [1-Feb-2024 Shift 2]
Three rotten apples are accidently mixed with fifteen good apples. Assuming the random variable to be the number of rotten apples in a draw of two apples, the variance of is [31-Jan-2024 Shift 1]
The number of distinct real roots of the equation is ______.
If , then is equal to : [27-Jan-2024 Shift 2]
Let be the solution of the equation and Then the value of is _____.
If the function attains the maximum value at then :
Let the relations and on the set be given by and . If and be the minimum number of elements required to be added in and , respectively, in order to make the relations symmetric, then equals
Let be a function given by ,where . If is continuous at , then is equal to :
If the shortest distance between the lines and is , then a value of is :
If the mirror image of the point in the line is , then is : [1-Feb-2024 Shift 2]
Let and be two complex numbers such that and . Then equals- [31-Jan-2024 Shift 2]
The value of is equal to: [1-Feb-2024 Shift 2]
Let denote the median of the following frequency distribution. Class Frequency 3 9 10 8 6 Then is equal to : [30-Jan-2024 Shift 1]
A line with direction ratios meets the lines and respectively at the point and . if the length of the perpendicular from the point to the line PQ is , then is [29-Jan-2024 Shift 1]
Considering only the principal values of inverse trigonometric functions, the number of positive real values of satisfying is : [27-Jan-2024 Shift 2]
The values of , for which , lie in the interval [27-Jan-2024 Shift 2]
Let be the solution of the differential equation . If and are coprime numbers, then is equal to [30-Jan-2024 Shift 1]
Let be mirror image of the point in the line .Then is equal to [31-Jan-2024 Shift 2]
Let be given by , where denotes the greatest integer less than or equal to . The number of points, where is not continuous, is :
Consider the system of linear equation where . Which one of the following statements is NOT correct? [30-Jan-2024 Shift 1]
Let be the solution of the differential equation and . Then, is equal to
Let the complex numbers and lie on the circles and respectively, where . Then, the value of is.___ [27-Jan-2024 Shift 2]
Let and . Then, the sum of all the elements of the matrix is :
Consider a line passing through the points and . If the mirror image of the point in the line is , then is equal to ..........
Suppose for a differentiable function , and . If , then is equal to:
The area (in sq. units) of the region is
Let and be a matrix such that . If and , then is equal to :
The temperature of a body at time is and it decreases continuously as per the differential equation , where is positive constant. If , then is equal to [31-Jan-2024 Shift 2]
If constant, then the maximum value of a sin , is :
Let . Then the value of is equal to _______.
If the system of equations has infinitely many solutions, then is equal to [1-Feb-2024 Shift 1]
Let and .If , then is equal to :
Consider the line passing through the points and . The distance of the point from the line along the line is equal to :
If the solution of the differential equation satisfies , then is equal to :
If satisfies the equation and , then is equal to [27-Jan-2024 Shift 1]
Let . Then is equal to__ [27-Jan-2024 Shift 1]
If , then range of is [29-Jan-2024 Shift 1]
Let denote the fractional part of and . If and respectively denotes the left hand limit and the right hand limit of at , then is equal to___ [1-Feb-2024 Shift 1]
If where is the integration constant, then is equal to [29-Jan-2024 Shift 2]
The value of is _______.
is equal to___ [31-Jan-2024 Shift 2]
If the value of the integral is . Then, a value of is
Let be the image of the point in the line . Then is equal to ______.
Let and . Let be a relation defined on by is and only if . Then the number of elements in is ________.
Let the area of the region be . Then is equal to___ [29-Jan-2024 Shift 2]
The frequency distribution of the age of students in a class of 40 students is given below. Age 15 16 17 18 19 20 No. ofStudents 5 8 5 12 x yIf the mean deviation about the median is 1.25 , then is eq
Let and be the vertices of . Then, the angle is [29-Jan-2024 Shift 2]
is equal to:
Let , where is a continuous odd function.If , then is equal to............. [27-Jan-2024 Shift 2]
If is the solution of the differential equation and , then is equal to [29-Jan-2024 Shift 2]
Let . If the system of equations has infinitely many solutions, then is equal to :
For , the value of the integral is : [27-Jan-2024 Shift 2]
Let the set of all values of , for which does not have any critical point, be the interval . Then is equal to ______.
The number of critical points of the function is :
Let be the set of positive integral values of a for which .Then, the number of elements in is : [31-Jan-2024 Shift 1]
If is a complex number, then the number of common roots of the equation and , is equal to : [30-Jan-2024 Shift 2]
Let . If and are the maximum and minimum values of , respectively in , then the value of is : [30-Jan-2024 Shift 2]
Lei be the solution of the differential equation , . Then is equal to _____.
If the system of linear equations has infinitely many solutions, then is equal to [31-Jan-2024 Shift 1]
Let and be defined as and . Then the domain of the function is : [27-Jan-2024 Shift 2]
Let be a function defined by and , then the least value of is equal to [31-Jan-2024 Shift 1]
The sum of squares of all possible values of , for which area of the region bounded by the parabolas and is maximum, is equal to : [1-Feb-2024 Shift 2]
If for all , then is equal to [31-Jan-2024 Shift 1]
If all the words with or without meaning made using all the letters of the word "NAGPUR" are arranged as in a dictionary, then the word at position in this arrangement is :
The number of ways five alphabets can be chosen from the alphabets of the word MATHEMATICS, where the chosen alphabets are not necessarily distinct, is equal to :
The area (in square units) of the region bounded by the parabola and the line [30-Jan-2024 Shift 1]
The solution curve, of the differential equation , passing through the point is a conic, whose vertex lies on the line :
Let be a real valued function. If and are respectively the minimum and the maximum values of , then is equal to
Let be a square matrix such that . Then is equal to [29-Jan-2024 Shift 1]
Let be the solution of the differential equation , . Then is equal to :
Let the mean and the standard deviation of the probability distribution X α 1 0 -3 P(X) 1/3 K 1/6 1/4be and , respectively. If , then is equal to ______.
If is the number of ways five different employees can sit into four indistinguishable offices where any office may have any number of persons including zero, then is equal to: [1-Feb-2024 Shift 1]
Let and for all . If is decreasing in and increasing in , then is [27-Jan-2024 Shift 2]
Let be the foot of perpendicular from the point on the line . then is equal to : [30-Jan-2024 Shift 1]
Let be the solution curve of the differential equation secy , . Then is equal to :
Let denote the greatest integer less than or equal to . Let be a function defined by . Let be the set of all points in the interval at which is not continuous. Then is equal to ______.
If a function satisfies for all and , then the largest natural number such that is equal to ______.
Number of ways of arranging 8 identical books into 4 identical shelves where any number of shelves may remain empty is equal to [29-Jan-2024 Shift 2]
The value of is : [30-Jan-2024 Shift 1]
If the solution curve of the differential equation passes through the point and , then is [29-Jan-2024 Shift 1]
If is the smallest equivalence relation on the set such that , then the number of elements in is [29-Jan-2024 Shift 2]
Let , be the roots of the equation . Let . Then is equal to :
If the set has elements and , where , then the value of is :
The number of symmetric relations defined on the set which are not reflexive is____ [30-Jan-2024 Shift 2]
If the shortest distance between the lines and is 1 , then the sum of all possible values of is :____ [1-Feb-2024 Shift 1]
Let and .If is the matrix of cofactors of the elements of , then is equal to :
A line passes through and . The point where are non-negative integers, on the line lies at a distance of 21 units, from the point . The distance between the points and is equal to [31-Jan-2024 Shift 2
Let be the solution of the differential equation then is equal to
If the function has a local maximum at and a local minimum , then and are the roots of the equation :
Let be a non constant twice differentiable such that . If a real valued function is defined as , then [30-Jan-2024 Shift 1]
If and , then is equal to :
The mean and standard deviation of 15 observations were found to be 12 and 3 respectively. On rechecking it was found that an observation was read as 10 in place of 12 . If and denote the mean and var
Let . If , then is equal to:
The shortest distance between the line and is:
Let , and be a function such that for all . Then is equal to :
If , then at is equal to:
If the solution curve, of the differential equation passing through the point is then is equal to__ [27-Jan-2024 Shift 2]
Let . If the sum of the diagonal elements of is , then is equal to _____.
Let . Suppose is the set of all the subsets of , then the relation is : [27-Jan-2024 Shift 1]
Let and be the sum and the product of all the non-zero solutions of the equation . Then is equal to :
If the mean of the following probability distribution of a random variable ; X 0 2 4 6 8 P(X) a 2a a+b 2b 3bis , then the variance of the distribution is
Let be a differentiable function such that . Then is equal to
All the letters of the word "GTWENTY" are written in all possible ways with or without meaning and these words are written as in a dictionary. The serial number of the word "GTWENTY" IS [29-Jan-2024 S
Let S and . Let be such that and . Then equals : [1-Feb-2024 Shift 1]
Let be a differentiable function in the interval such that and for each . Then is equal to _______.
The value of the integral equals : [1-Feb-2024 Shift 1]
Let be a root of the equation .If , where then is equal to ______.
If are two distinct complex number such that , then
If , where denotes the greatest integer less than or equal to and represents the fractional part of , then is equal to _______.
The area of the region in the first quadrant inside the circle and outside the pnrabola is equal to :
Let are co-prime natural numbers) be a solution of the equation and let be the roots of the equation . Then the point lies on the line [29-Jan-2024 Shift 2]
Let be the roots of the equation with . Then is equal to [29-Jan-2024 Shift 1]
Let , then , where denotes the greatest integer less than or equal to , is equal to : [1-Feb-2024 Shift 2]
Consider the relations and defined as for all and for all . Then [1-Feb-2024 Shift 2]
If , then at is equal to :
The shortest distance between lines and , where and is the line passing through the points and perpendicular to the line , is [31-Jan-2024 Shift 2]
Consider 10 observation . such that and , where are positive integers. Let the mean and the variance of the observations be and respectively. The is equal to : [1-Feb-2024 Shift 2]
Let a line passing through the point intersect the lines at and at , c). Then the value of equals [30-Jan-2024 Shift 2]
The sum of all the solutions of the equation is :
If be the orthocentre of the triangle whose vertices are and , and , then is equal to : [27-Jan-2024 Shift 1]
Let . Then and are the roots of the equation :
There are 5 points on the side , excluding and , of a triangle . Similarly there are 6 points on the side and 7 points on the side of the triangle. The number of triangles, that can be formed using th
For , if , then is equal to ______.
The area enclosed by the curves and is equal to : [1-Feb-2024 Shift 1]
If the function , , is continuous at , then is equal to :
If an unbiased dice is rolled thrice, then the probability of getting a greater number in the roll than the number obtained in the roll, , is equal to :
Let denote the largest integer less than or equal to . If where , then is equal to ______.
Let . Then at , the value of is equal to [29-Jan-2024 Shift 2]
Let be the image of the point in the line and be the point . If the area of the triangle is and , then is equal to:
A function satisfies with condition . Then is equal to [29-Jan-2024 Shift 1]
The mean and standard deviation of 20 observations are found to be 10 and 2, respectively. On respectively, it was found that an observation by mistake was taken 8 instead of 12 . The correct standard
Let and be the points on the line which are at a distance of 6 units from the point . If the centroid of the triangle PQR is , then is: [1-Feb-2024 Shift 2]
An urn contains 6 white and 9 black balls. Two successive draws of 4 balls are made without replacement. The probability, that the first draw gives all white balls and the second draw gives all black
Let the range of the function If and are respectively the A.M. and the G.M. of and , then is equal to :
Let and . Then is equal to :
Let be a function defined and then [30-Jan-2024 Shift 2]
Let and denote the outcome of three independent rolls of a fair tetrahedral die, whose four faces are marked . If the probability that has all real roots is , , then is equal to ______.
Let . The number of points of local maxima of in interval is:
The value of the integral is:
Let be the solution of the differential equation Then is equal to [31-Jan-2024 Shift 2]
From a lot of 12 items containing 3 defectives, a sample of 5 items is drawn at random. Let the random variable denlote the number of defective items in the sample. Let items in the sample be drawn on
Let and respectively be the modulus and amplitude of the complex number , then is equal to [29-Jan-2024 Shift 2]
Consider the system of linear equations , where . Then, which the following statement is NOT correct? [30-Jan-2024 Shift 2]
The coefficients in the quadratic equation are chosen from the set . The probability of this equation having repeated roots is :
If the system of equations has infinitely many solutions, then is equal to _____.
Let Ajay will not appear in JEE exam with probability , while both Ajay and Vijay will appear in the exam with probability . Then the probability, that Ajay will appear in the exam and Vijay will not
Let be a differentiable function such that , If the , then is equal to : [30-Jan-2024 Shift 1]
For , let be a continous function at . Then is equal to
Let be a curve lying in the first quadrant such that the area enclosed by the line and the co-ordinate axes, where is any point on the curve, is always . If , then equals_____ [30-Jan-2024 Shift 2]
Let and . Then the number of one-one functions from to is equal to ______.
Let where and . Then the function is
If the function is differentiable on , then is equal to___ [30-Jan-2024 Shift 1]
If is a complex number such that , then the minimum value of is: [1-Feb-2024 Shift 2]
If the variance of the frequency distribution is 160 , then the value of is c 2c 3c 4c 5c 6c 2 1 1 1 1 1
Let , . Then at is equal to :
Consider the function defined by . If and be respectively the number of points at which is not continuous and is not differentiable, then is [31-Jan-2024 Shift 2]
Let the sum of two positive integers be 24 . If the probability, that their product is not less than times their greatest positive product, is , where , then equals :
Let the median and the mean deviation about the median of 7 observation , a, b be 170 and respectively. Then the mean deviation about the mean of these 7 observations is : [1-Feb-2024 Shift 1]
Let Then the number of elements in is : [1-Feb-2024 Shift 1]
If is the solution of the differential equation , then, equals ________ [1-Feb-2024 Shift 1]
Let for all . Consider a function such that for all . Then the value of is :
Let be a point in the first octant, whose projection in the xy-plane is the point . Let ; the angle between and the positive -axis be ; and the angle between and the positive -axis be , where is the o
The number of real solutions of the equation is _____.
Three urns A, B and C contain 7 red, 5 black; 5 red, 7 black and 6 red, 6 black balls, respectively. One of the um is selected at random and a ball is drawn from it. If the ball drawn is black, then t
In a survey of 220 students of a higher secondary school, it was found that at least 125 and at most 130 students studied Mathematics; at least 85 and at most 95 studied Physics; at least 75 and at mo
The number of triangles whose vertices are at the vertices of a regular octagon but none of whose sides is a side of the octagon is
Let be 10 observations such that and . Then the standard deviation of is equal to : [27-Jan-2024 Shift 1]
Let be the point and be the foot of the perpendicular drawn from the point on the line passing through the points and . Then the length of the line segment is equal to _______.
For and a natural number , let . Then is
Let the area of the region enclosed by the curves and be . Then is equal to
Let be defined as and . Then the function is
If for some and , then is equal to [31-Jan-2024 Shift 2]
Consider the function defined by . If the composition of , then the value of is equal to .
The sum of the square of the modulus of the elements in the set is ______.
The number of real solutions of the equation is [30-Jan-2024 Shift 2]
Let the mean and the variance of 6 observation a, b, be 55 and 194 , respectively if , then is [31-Jan-2024 Shift 2]
Consider the matrices : and . Let the set of all , for which the system of equations has a negative solution (i.e., and ), be the interval ( ).Then is equal to ______.
The maximum area of a triangle whose one vertex is at and the other two vertices lie on the curve at points and where is : [30-Jan-2024 Shift 1]
Let .Then is equal to
Let . Let be a relation on A defined by if and only if . Let be a symmetric relation on such that and the number of elements in is . Then, the minimum value of is [31-Jan-2024 Shift 2]
Three points , are on the parabola . Let be the area of the region bounded by the line PQ and the parabola, and be the area of the triangle . If the minimum value of is , then is equal to : [1-Feb-202
Let be roots of . If , then is equal to ______.
Suppose the solution of the differential equation represents a circle passing through origin. Then the radius of this circle is :
The value of is:
If and , then is equal to [31-Jan-2024 Shift 2]
The values of , for which the system of equations has infinitely many solutions, satisfy the equation :
For . If and , then equal to [31-Jan-2024 Shift 1]
If , where are rational numbers, then is equal to : [27-Jan-2024 Shift 1]
is equal to :
If and are the roots of the quadratic equation , then 12 is equal to _________.
Let . If for some 0 , then is equal to _______.
If is the solution curve of the differential equation , and the slope of the curve is never zero, then the value of equals : [27-Jan-2024 Shift 2]
Let be defined . If and , then the value of equals : [30-Jan-2024 Shift 2]
Let be the solution of the differential equation .Then, equals : [1-Feb-2024 Shift 1]
The area of the region enclosed by the parabola , the line and the positive coordinate axes is____ [30-Jan-2024 Shift 2]
The coefficients in the quadratic equation are from the set . If the probability of this equation having one real root bigger than the other is , then equals :
Let using only the principal values of the inverse trigonometric functions. Then is equal to ______.
If the range of is , then the sum of the infinite G.P., whose first term is 64 and the common ratio is , is equal to ______.
The solution curve of the differential equation through the point is [31-Jan-2024 Shift 1]
Three balls are drawn at random from a bag containing 5 blue and 4 yellow balls. Let the random variables and respectively denote the number of blue and Yellow balls. If and are the means of and respe
If the integral is equal to , then is equal to______ [31-Jan-2024 Shift 1]
The number of ways in which 21 identical apples can be distributed among three children such that each child gets at least 2 apples, is [31-Jan-2024 Shift 2]
Let . Let the mean and the variance of 6 observations , a, b be 2 and 23 , respectively. The mean deviation about the mean of these 6 observations is :
Let be a real matrix and be the identity matrix of order 2 . If the roots of the equation be -1 and 3 , then the sum of the diagonal elements of the matrix is............... [27-Jan-2024 Shift 2]
Let be a function defined on . Then the range of the function is equal to:
Let . If , then is equal to :
Let be the length of three sides of a triangle satisfying the condition . . If the set of all possible values of is the interval , then is equal to____ [31-Jan-2024 Shift 2]
Let and . Let the mean, the mean deviation about the mean and the variance of the 5 observations be 18,4 and , respectively. Then is equal to ______.
If the system of equations has infinitely many solutions, then is equal to :
For the function consider the following two statements :(I) is increasing in .(II) is decreasing in .Between the above two statements,
The integral is equal to : [27-Jan-2024 Shift 2]
Let be a complex number such that the real part of is zero. Then, the maximum value of is equal to :
Let , . Then the area of region is
Let be a square matrix of order 2 such that and the sum of its diagonal elements is -3 . If the points satisfying lie on a hyperbola, whose transverse axis is parallel to the -axis, eccentricity is an
Let the line intersect the lines and be parallel to the line .Then which of the following points lies on ?
A coin is biased so that a head is twice as likely to occur as a tail. If the coin is tossed 3 times, then the probability of getting two tails and one head is- [31-Jan-2024 Shift 2]
Let be a non-zero real number. Suppose is a differentiable function such that and . If , for all , then is equal to [1-Feb-2024 Shift 2]
If , where , then is equal to _______
Let and Let be a relation on define by if and only if is an even integer. Then the relation is
Let be a symmetric matrix such that and the determinant of be 1 . If , where is an identity matrix of order , then equals .....
If and , then is equal to : [1-Feb-2024 Shift 1]
The area enclosed between the curves and is :
Let and be solutions of the differential equations and respectively, . Given that and , the value of , for which , is : [27-Jan-2024 Shift 1]
The differential equation of the family of circles passing the origin and having center at the line is :
The area of the region is [31-Jan-2024 Shift 1]
The shortest distance between the lines and is
Let the point lie on the line of the shortest distance between the lines and . Then is equal to ______.
Let the image of the point in the line be the point . Then which one of the following points lies on the line passing through and making angles and with -axis and z-axis respectively and an acute angl
If is a square matrix of order 3 such that and , then is equal to:
Let and be two finite sets with and elements respectively. The total number of subsets of the set is 56 more than the total number of subsets of . Then the distance of the point from the point is [27-
[31-Jan-2024 Shift 1]
The number of 3-digit numbers, formed using the digits and 7 , when the repetition of digits is not allowed, and which are not divisible by 3 , is equal to ______.
Let the slope of the line be for some . Then is equal to___ [29-Jan-2024 Shift 2]
From a lot of 10 items, which include 3 defective items, a sample of 5 items is drawn at random. Let the random variable denote the number of defective items in the sample. If the variance of is , the
If the system of equations has a non-trivial solution, then is equal to :
Let the system of equations have infinite number of solutions. Then is equal to : [1-Feb-2024 Shift 2]
Let be the solution of the differential equation , satisfying the condition .Then, is [31-Jan-2024 Shift 1]
Let and be defined as and Then, gof : is : [1-Feb-2024 Shift 1]
Suppose Then the value of is equal to [29-Jan-2024 Shift 1]
If , where and are rational numbers, then is equal to : [1-Feb-2024 Shift 2]
If the shortest distance between the lines and is , then the sum of all possible values of is : [27-Jan-2024 Shift 1]
If the line makes a right angle with the line , then is equal to :
Let and . Then : [27-Jan-2024 Shift 2]
Let be the origin and the position vector of and be and respectively. If the internal bisector of meets the line at , then the length of is [29-Jan-2024 Shift 1]
Let the area of the region , be , where and are coprime numbers. Then is equal to__ [27-Jan-2024 Shift 1]
If the system of equations , has infinitely many solutions, then is equal to :
If ), where are integers, then equals [1-Feb-2024 Shift 1]
Let for a differentiable function , . Then is equal to___ [27-Jan-2024 Shift 1]
Let be a thrice differentiable function such that and . Then, the minimum number of zeros of is .....
Consider a where and . If the angle bisector of meets the line at , then the length of the projection of the vector on the vector is: [1-Feb-2024 Shift 2]
If the shortest distance between the lines and is and , where denotes the greatest integer function, then is equal to _______
The value of for which the integral , satisfies is :
Let and be defined as Let Sum of square of the values of , where attains local maxima on . and Sum of the values of , where attains local minima on . Then, the value of is____ [31-Jan-2024 Shift 1]
If the shortest distance between the lines and is , then the largest possible value of is equal to ______.
The solution of the differential equation , is :
Let be the image of the point in the line . Then is equal to
If where and is constant of integration , then the value of equals .....
Let be a linear function and , is continuous at . If , then the value of is [31-Jan-2024 Shift 1]
Let and be two square matrices of order 3 such that and .Then is equal to :
Let be a relation on defined by if and only if ad - bc is divisible by 5 . Then is [29-Jan-2024 Shift 1]
Let . If , then equals ______.
Let , where is the constant of integration.Then is equal to :
If 2 and 6 are the roots of the equation , then the quadratic equation, whose roots are and , is :
Let is neither a multiple of 3 nor a multiple of 4 . Then the number of elements in is
Let be the region enclosed by the parabola and the line . Then the maximum area of the rectangle inscribed in the region is _______.
If the domain of the function is , then is equal to :
If three letters can be posted to any one of the 5 different addresses, then the probability that the three letters are posted to exactly two addresses is:
Let be a non-singular matrix of order 3 . If and det , then is equal to ______.
If then is equal to [30-Jan-2024 Shift 1]
Let . If and are respectively the number of points at which the curves and intersects the -axis, then the value of is [29-Jan-2024 Shift 1]
If , satisfies the equation , then is equal to : [30-Jan-2024 Shift 1]
Let be a matrix of non-negative real elements such that . Then the maximum value of is _______
If , then
The integral is equal to:
If the function is continuous at , then the value of is equal to
Let be a matrix and . If Then the remainder when is divided by 9 is equal to______ [31-Jan-2024 Shift 2]
Let be the point of intersection of the lines and .Then, the shortest distance of from the line is
There are 4 men and 5 women in Group A, and 5 men and 4 women in Group B. If 4 persons are selected from each group, then the number of ways of selecting 4 men and 4 women is .........
Let PQR be a triangle with . Suppose is the mid point of PQ. The distance of the centroid of from the point of intersection of the line and is [29-Jan-2024 Shift 1]
The square of the distance of the image of the point in the line , from the origin is ______.
A fair die is tossed repeatedly until a six is obtained. Let denote the number of tosses required and let and . Then is equal to___ [27-Jan-2024 Shift 1]
Let be the greatest integer less than or equal to t. Let A be the set of al prime factors of 2310 and be the function . The number of one-to-one functions from to the range of is :
Let a relation on be defined as : if and only if or Consider the two statements :(I) is reflexive but not symmetric.(II) is transitiveThen which one of the following is true?
A company has two plants A and B to manufacture motorcycles. motorcycles are manufactured at plant and the remaining are manufactured at plant B. of the motorcycles manufactured at plant are rated of
A fair die is thrown until 2 appears. Then the probability, that 2 appears in even number of throws, is [29-Jan-2024 Shift 1]
Let be the solution of the differential equation . Then is
There are three bags and . Bag contains 5 one-rupee coins and 4 five-rupee coins; Bag Y contains 4 one-rupee coins and 5 five-rupee coins and Bag contains 3 one-rupee coins and 6 five-rupee coins. A b
Let and be real constants such that the function defined by be differentiable on . Then, the value of equals [30-Jan-2024 Shift 2]
The function ; defined by the highest prime factor of , is : [27-Jan-2024 Shift 1]
If the domain of the function is , then is equal to : [30-Jan-2024 Shift 1]
If the area of the region is then the value of is equal to:
A group of 40 students appeared in an examination of 3 subjects - Mathematics, Physics & Chemistry. It was found that all students passed in at least one of the subjects, 20 students passed in Mathema
The area (in sq. units) of the part of circle which is below the line is where are coprime numbers. Then is equal to [29-Jan-2024 Shift 1]
Let . Let be a relation on defined by if and only if . Let be the number of elements in and be the minimum number of elements from that are required to be added to to make it a symmetric relation. The
If the solution of the differential equation , is , then is equal to____ [27-Jan-2024 Shift 1]
Let . If , where I is the identity matrix of order , then is equal to :
If , then, is: [27-Jan-2024 Shift 1]
Let , where is real matrix of order such that the relation holds. If is a real number such that the relation holds for some non-zero real matrix X of order , then the sum of squares of all possible va
Let . Let and two relation on A such that is divisible by is an integral multiple of .Then, number of elements in is equal to_____ [1-Feb-2024 Shift 1]
If the area of the region is , then is equal to.................. [27-Jan-2024 Shift 2]
Bag A contains 3 white, 7 red balls and bag B contains 3 white, 2 red balls. One bag is selected at random and a ball is drawn from it. The probability of drawing the ball from the bag , if the ball d
Let the maximum and minimum values of be and respectively. Then is equal to _____.
If the mean and variance of five observations are and respectively and the mean of first four observations is , then the variance of the first four observations in equal to [29-Jan-2024 Shift 2]
Four identical particles of mass are kept at the four corners of a square. If the gravitational force exerted on one of the masses by the other masses is , the length of the sides of the square is [31
Match List I with List II List I List II A. I. Gauss law for electricity B. II. Gauss law for magnetism C. III. Faraday law D. IV. Ampere -Maxwell law Chose the correct answer from the options given b
Given below are two statements :Statement I : When the white light passed through a prism, the red light bends lesser than yellow and violet.Statement II : The refractive indices are different for dif
When a hydrogen atom going from to emits a photon, its recoil speed is . Where ____ (Use : mass of hydrogen atom [29-Jan-2024 Shift 1]
The radius of a nucleus of mass number 64 is 4.8 fermi. Then the mass number of another nucleus having radius of 4 fermi is , where is_____ [1-Feb-2024 Shift 1]
Average force exerted on a non-reflecting surface at normal incidence is . If is the light energy flux during span of 1 hour 30 minutes. Then the area of the surface is:
Let .Then the square of the projection of on is :
A wire of length and radius is clamped at one end. If its other end is pulled by a force F, its length increases by . If the radius of the wire and the applied force both are reduced to half of their
A biconvex lens of refractive index 1.5 has a focal length of in air. Its focal length when immersed in a liquid of refractive index 1.6 will be: [29-Jan-2024 Shift 1]
Choose the correct answer from the options given below : Match List - I with List - II.List - I (Number)List - II (Significant figure)(A) 1001(I) 3(B) 010.1(II) 4(C) 100.100(III) 5(D) 0.0010010(IV) 6
Consider a block and trolley system as shown in figure. If the coefficient of kinetic friction between the trolley and the surface is 0.04 , the acceleration of the system in is :(Consider that the st
In a Young's double slit experiment, the intensity at a point is th of the maximum intensity, the minimum distance of the point from the central maximum is ______ .(Given : )
Two moles a monoatomic gas is mixed with six moles of a diatomic gas. The molar specific heat of the mixture at constant volume is : [1-Feb-2024 Shift 1]
Four particles each of mass are placed at four corners of a square of side . Moment of inertia of system about an axis perpendicular to its plane and passing through one of its vertex is____ . [27-Jan
A wire is bend to form a square loop. A battery with internal resistance is connected across one of its sides. If a capacitor is connected across one of its diagonals, the energy stored by the capacit
A current carrying straight metal wire of resistance , resistivity , area of cross-section and mass is suspended horizontally in mid air by applying a uniform magnetic field . The magnitude of is ____
A nucleus at rest disintegrates into two smaller nuclei with their masses in the ratio of . After disintegration they will move :-
Resistance of a wire at and is found to be and respectively. The temperature in Kelvin scale is ______.
is the uniform surface charge density of a thin spherical shell of radius . The electric field at any point on the surface of the spherical shell is :
A bullet of mass is fired with a speed on a plywood and emerges with . The percentage loss of kinetic energy is :
Electromagnetic waves travel in a medium with speed of . The relative permeability of the medium is 2.0 . The relative permittivity will be :
A planet takes 200 days to complete one revolution around the Sun. If the distance of the planet from Sun is reduced to one fourth of the original distance, how many days will it take to complete one
The de Broglie wavelengths of a proton and an particle are and respectively. The ratio of the velocities of proton and particle will be : [1-Feb-2024 Shift 1]
A capacitor of capacitance is charged to a potential of and connected to a inductor to produce oscillations. The maximum current in the circuit would be : [29-Jan-2024 Shift 1]
Young's modules of material of a wire of length ' ' and cross-sectional area is . If the length of the wire is doubled and cross-sectional area is halved then Young's modules will be : [30-Jan-2024 Sh
Two sources of light emit with a power of . The ratio of number of photons of visible light emitted by each source having wavelengths and respectively, will be : [29-Jan-2024 Shift 2]
An electron is projected with uniform velocity along the axis inside a current carrying long solenoid. Then :
A power transmission line feeds input power at 2.3 to a step down transformer with its primary winding having 3000 turns. The output power is delivered at by the transformer. The current in the primar
An electron with kinetic energy enters a region of uniform magnetic field of perpendicular to its direction. An electric field is applied perpendicular to the direction of velocity and magnetic field.
A liquid column of height balances excess pressure of soap bubble of certain radius. If density of liquid is and surface tension of soap solution is , then diameter of the soap bubble is ______ .
A Zener diode of breakdown voltage is used as a voltage regulator as shown in the figure. The current through the Zener diode is [30-Jan-2024 Shift 1]
A body of mass experiences two forces and . The acceleration acting on the body is : [1-Feb-2024 Shift 2]
An electric charge is placed at origin of co-ordinate system. Two points and are situated at and respectively. The potential difference between the points and will be : [27-Jan-2024 Shift 1]
A sample of gas at temperature is adiabatically expanded to double its volume. Adiabatic constant for the gas is . The work done by the gas in the process is :
A potential divider circuit is shown in figure. The output voltage is [30-Jan-2024 Shift 1]
A simple harmonic oscillator has an amplitude A and time period second. Assuming the oscillation starts from its mean position, the time required by it to travel from to will be , where _____: [29-Jan
A parallel plate capacitor has a capacitance . It is connected to ac supply with an angular frequency . The rms value of conduction current in the circuit and displacement current in the capacitor res
A body placed at distance from surface of earth experiences gravitational pull of : ( Radius of earth, )
In an electrical circuit drawn below the amount of charge stored in the capacitor is . [1-Feb-2024 Shift 2]
A small square loop of wire of side is placed inside a large square loop of wire of side . The loops are coplanar and their centers coinside. The value of the mutual inductance of the system is , wher
Given below are two statements:Statement (I) : The mean free path of gas molecules is inversely proportional to square of molecular diameter.Statement (II) : Average kinetic energy of gas molecules is
Five charges and are situated as shown in the figure. The electric flux due to this configuration through the surface is :
Paramagnetic substances: A. align themselves along the directions of external magnetic field. B. attract strongly towards external magnetic field. C. has susceptibility little more than zero. D. move
A vector has magnitude same as that of and is parallel to . The and components of this vector in first quadrant are and 3 respectively where ____ [30-Jan-2024 Shift 2]
Escape velocity of a body from earth is . If the radius of a planet be one-third the radius of earth and mass be one-sixth that of earth, the escape velocity from the plate is: [30-Jan-2024 Shift 2]
The average kinetic energy of a monatomic molecule is at temperature :(Use ) [27-Jan-2024 Shift 1]
The ratio of the magnitude of the kinetic energy to the potential energy of an electron in the excited state of a hydrogen atom is : [30-Jan-2024 Shift 1]
A uniform magnetic field of acts along positive Y-direction. A rectangular loop of sides 20 and with current of is plane. The current is in anticlockwise sense with reference to negative axis. Magnitu
In the given circuit, the breakdown voltage of the Zener diode is . What is the value of ? [29-Jan-2024 Shift 1]
Let and be three vectors. Let be a unit vector along . If , then is equal to :
If the distance between object and its two times magnified virtual image produced by a curved mirror is , the focal length of the mirror must be : [29-Jan-2024 Shift 2]
A square loop of edge length carrying current of is placed with its edges parallel to the axis. A magnetic field is passing through the plane and expressed as , where . The net magnetic force experien
A particle initially at rest starts moving from reference point. along -axis, with velocity that varies as . The acceleration of the particle is____ . [1-Feb-2024 Shift 2]
A small steel ball is dropped into a long cylinder containing glycerine. Which one of the following is the correct representation of the velocity time graph for the transit of the ball? [31-Jan-2024 S
Let and be two vectors such that and . If and the angle between and is , then is equal to____ [31-Jan-2024 Shift 1]
An electron revolving in Bohr orbit has magnetic moment . If , the value of is: [30-Jan-2024 Shift 2]
A light string passing over a smooth light fixed pulley connects two blocks of masses and . If the acceleration of the system is , then the ratio of masses is [31-Jan-2024 Shift 2]
The fundamental frequency of a closed organ pipe is equal to the first overtone frequency of an open organ pipe. If length of the open pipe is , the length of the closed pipe will be : [31-Jan-2024 Sh
The mass defect in a particular reaction is . The amount of energy liberated is , where _______(speed of light [31-Jan-2024 Shift 1]
The angular momentum of an electron in a hydrogen atom is proportional to : (Where is the radius of orbit of electron)
A body of mass ' ' is projected with a speed ' ' making an angle of with the ground. The angular momentum of the body about the point of projection, at the highest point is expressed as . The value of
One end of a metal wire is fixed to a ceiling and a load of hangs from the other end. A similar wire is attached to the bottom of the load and another load of hangs from this lower wire. Then the rati
In a closed organ pipe, the frequency of fundamental note is . A certain amount of water is now poured in the organ pipe so that the fundamental frequency is increased to . If the organ pipe has a cro
Identify the logic gate given in the circuit :
Given below are two statements:Statement (I) : When currents vary with time, Newton's third law is valid only if momentum carried by the electromagnetic field is taken into account.Statement (II) : Am
A particle is moving in a circle of radius in such a way that at any instant the normal and tangential components of its acceleration are equal. If its speed at is , the time taken to complete the fir
Two circular coils P and Q of 100 turns each have same radius of . The currents in and are and 2 A respectively. P and Q are placed with their planes mutually perpendicular with their centers coincide
A diatomic gas does of work when it is expanded isobarically. The heat given to the gas in the process is : [1-Feb-2024 Shift 2]
A light string passing over a smooth light pulley connects two blocks of masses and (where ). If the acceleration of the system is , then the ratio of the masses is :
A horizontal straight wire long extending from east to west falling freely at right angle to horizontal component of earth's magnetic field . The instantaneous value of emf induced in the wire when it
Two cars are travelling towards each other at speed of each. When the cars are apart, both the drivers apply brakes and the cars retard at the rate of . The distance between them when they come to res
If the root mean square velocity of hydrogen molecule at a given temperature and pressure is , the root mean square velocity of oxygen at the same condition in is : [1-Feb-2024 Shift 2]
A bob of mass ' ' is suspended by a light string of length ' '. It is imparted a minimum horizontal velocity at the lowest point A such that it just completes half circle reaching the top most positio
Given below are two statements :Statement (I) :Viscosity of gases is greater than that of liquids.Statement (II) : Surface tension of a liquid decreases due to the presence of insoluble impurities.In
The longest wavelength associated with Paschen series is : (Given unit)
The de-Broglie wavelength of an electron is the same as that of a photon. If velocity of electron is of the velocity of light, then the ratio of K.E. of electron and K.E. of photon will be: [29-Jan-20
Binding energy of a certain nucleus is . How much is the difference between total mass of all the nucleons and nuclear mass of the given nucleus:
A heavy iron bar of weight is having its one end on the ground and the other on the shoulder of a man. The rod makes an angle with the horizontal, the weight experienced by the man is : [27-Jan-2024 S
In series LCR circuit, the capacitance is changed from to . To keep the resonance frequency unchanged, the new inductance should be : [1-Feb-2024 Shift 1]
Wheatstone bridge principle is used to measure the specific resistance of given wire, having length , radius . If is the resistance of wire, then specific resistance is : . If the length of the wire g
A particle of mass projected with a velocity ' ' making an angle of with the horizontal. The magnitude of angular momentum of the projectile about the point of projection when the particle is at its m
A beam of unpolarised light of intensity is passed through a polaroid A and then through another polaroid B which is oriented so that its principal plane makes an angle of relative to that of A. The i
The minimum energy required by a hydrogen atom in ground state to emit radiation in Balmer series is nearly : [1-Feb-2024 Shift 1]
A wire of resistance and radius is stretched till its radius became . If new resistance of the stretched wire is , then value of is ______.
If Rydberg's constant is , the longest wavelength of radiation in Paschen series will be , where ____ [27-Jan-2024 Shift 2]
If three helium nuclei combine to form a carbon nucleus then the energy released in this reaction is ______ . (Given , atomic mass of helium
The following figure represents two biconvex lenses and having focal length 10 cm and 15 cm respectively. The distance between & is:
The position, velocity and acceleration of a particle executing simple harmonic motion are found to have magnitudes of and at a certain instant. The amplitude of the motion is where is _______.
The magnetic moment of a bar magnet is . It is suspended in a uniform magnetic field of . The work done in rotating it from its most stable to most unstable position is :
If the net electric field at point along axis is zero, then the ratio of is ,where ______.
The refractive index of prism is and the ratio of the angle of minimum deviation to the angle of prism is one. The value of angle of prism is _______ .
A coil of negligible resistance is connected in series with resistor across supply. A voltmeter reads across resistance. Inductance of the coil is :
A cyclist starts from the point of a circular ground of radius and travels along its circumference to the point . The displacement of a cyclist is :
In a nuclear fission process, a high mass nuclide with binding energy 7.6 MeV/Nucleon dissociated into middle mass nuclides , having binding energy of . The energy released in the process would be____
Let , where and are integers and . Let the values of the ordered pair for which the area of the parallelogram of diagonals and is , be and .Then is equal to
In the given figure, the charge stored in capacitor, when points A and B are joined by a connecting wire is ____ . [29-Jan-2024 Shift 2]
A hydraulic press containing water has two arms with diameters as mentioned in the figure. A force of is applied on the surface of water in the thinner arm. The force required to be applied on the sur
A man carrying a monkey on his shoulder does cycling smoothly on a circular track of radius and completes 120 revolutions in 3 minutes. The magnitude of centripetal acceleration of monkey is (in ) :
A capacitor of capacitance whose plates are separated by through air and each plate has area is now filled equally with two dielectric media of respectively as shown in figure. If new force between th
Following gates section is connected in a complete suitable circuit.For which of the following combination, bulb will glow (ON):
To measure the internal resistance of a battery, potentiometer is used. For , the balance point is observed at and for the balance point is observed at . The internal resistance of the battery is appr
The pressure and volume of an ideal gas are related as (Constant). The work done when the gas is taken from state to state is : [1-Feb-2024 Shift 1]
The correct truth table for the following logic circuit is :
The acceptor level of a p-type semiconductor is . The maximum wavelength of light which can create a hole would be : Given .
Consider three vectors . Let and . If is the angle between the vectors and , then the minimum value of is equal to :
The equation of state of a real gas is given by , where and are pressure. volume and temperature respectively and is the universal gas constant. The dimensions of is similar to that of : [27-Jan-2024
For a given series LCR circuit it is found that maximum current is drawn when value of variable capacitance is . If resistance of and inductor is being used in the given circuit. The frequency of ac s
A rectangular loop of sides and , with its sides parallel to the -axis and -axis respectively moves with a velocity of in the positive axis direction, in a space containing a variable magnetic field i
Correct Bernoulli's equation is (symbols have their usual meaning) :
If the collision frequency of hydrogen molecules in a closed chamber at is , then the collision frequency of the same system at is :
A sample contains mixture of helium and oxygen gas. The ratio of root mean square speed of helium and oxygen in the sample, is :
A coil of 200 turns and area is rotated at half a revolution per second and is placed in uniform magnetic field of perpendicular to axis of rotation of the coil. The maximum voltage generated in the c
In the experiment to determine the galvanometer resistance by half-deflection method, the plot of vs the resistance (R) of the resistance box is shown in the figure. The figure of merit of the galvano
A coil is placed perpendicular to a magnetic field of . When the field is changed to in , an induced emf of is produced in the coil. If the diameter of the coil is , then the number of turns in the co
On celcius scale the temperature of body increases by . The increase in temperature on Fahrenheit scale is:
The truth table of the given circuit diagram is: [27-Jan-2024 Shift 2]
A galvanometer has a resistance of and it allows maximum current of . It can be converted into voltmeter to measure upto by connecting in series a resistor of resistance [1-Feb-2024 Shift 1]
The reading in the ideal voltmeter (V) shown in the given circuit diagram is : [1-Feb-2024 Shift 1]
A galvanometer having coil resistance shows a full scale deflection for a current of . For it to measure a current of , the value of the shunt should be: [29-Jan-2024 Shift 1]
A body of mass moving with a uniform speed in plane along the line . The angular momentum of the particle about the origin will be ____ . [29-Jan-2024 Shift 2]
For the thin convex lens, the radii of curvature are at and respectively. The focal length the lens is . The refractive index of the material is :
Train A is moving along two parallel rail tracks towards north with speed and train B is moving towards south with speed . Velocity of train B with respect to A and velocity of ground with respect to
A total of heat is given to one mole of helium kept in a cylinder. The temperature of helium increases by . The work done by the gas is : (Given, .)
Two coils have mutual inductance . The current changes in the first coil according to the relation , where and . The maximum value of emf in the second coil is . The value of is____ [27-Jan-2024 Shift
A body starts moving from rest with constant acceleration covers displacement in first ( ) seconds and in first seconds. The displacement will be made in time : [29-Jan-2024 Shift 1]
In a single slit diffraction pattern, a light of wavelength is used. The distance between the first and third minima in the diffraction pattern is found to be when the screen in placed away from slits
Two conductors have the same resistances at but their temperature coefficients of resistance are and . The respective temperature coefficients for their series and parallel combinations are : [31-Jan-
Suppose a uniformly charged wall provides a uniform electric field of normally. A charged particle of mass being suspended through a silk thread of length and remain stayed at a distance of from the w
In Young's double slit experiment, monochromatic light of wavelength is used. The slits are apart and screen is placed at away from slits. The distance from the centre of the screen where intensity be
During an adiabatic process, the pressure of a gas is found to be proportional to the cube of its absolute temperature. The ratio of for the gas is : [27-Jan-2024 Shift 2]
Two immiscible liquids of refractive indices and respectively are put in a beaker as shown in the figure. The height of each column is 6 cm. A coin is placed at the bottom of the beaker. For near norm
The co-ordinates of a particle moving in plane are given by : The motion of the particle is :[4 Apr 2024 Shift 1]
This is constant so option (2) is correct.The value of net resistance of the network as shown in the given figure is :
Given below are two statements :Statement I : When speed of liquid is zero everywhere, pressure difference at any two points depends on equation Statement II : In ventury tube shown In the light of th
A sonometer wire of resonating length has a fundamental frequency of when kept under some tension. The resonating length of the wire with fundamental frequency of under same tension _______ .
Position of an ant ( in metres) moving in plane is given by (where is in second). The magnitude and direction of velocity of the ant at will be : [27-Jan-2024 Shift 1]
Two charged conducting spheres of radii and are connected to each other by a conducting wire. The ratio of charges of the two spheres respectively is:
Between the following two statements :Statement-I : Let and . Then the vector satisfying and is of magnitude . Statement-II : In a triangle
A LCR circuit is at resonance for a capacitor , inductance and resistance . Now the value of resistance is halved keeping all other parameters same. The current amplitude at resonance will be now:
Two particles and having equal charges are being accelerated through the same potential difference. Thereafter they enter normally in a region of uniform magnetic field and describes circular paths of
Let and be a vector such that If , then is equal to :
Hydrogen atom is bombarded with electrons accelerated through a potential different of V, which causes excitation of hydrogen atoms. If the experiment is being formed at . The minimum potential differ
In Franck-Hertz experiment, the first dip in the current-voltage graph for hydrogen is observed at . The wavelength of light emitted by hydrogen atom when excited to the first excitation level is ____
When UV light of wavelength is incident on the metal surface having work function , electron emission takes place. The stopping potential is : (Given )
Given below are two statements :Statement-I: When a capillary tube is dipped into a liquid, the liquid neither rises nor falls in the capillary. The contact angle may be .Statement-II: The contact ang
With rise in temperature, the Young's modulus of elasticity [1-Feb-2024 Shift 1]
If two vectors and having equal magnitude are inclined at an angle , then [31-Jan-2024 Shift 2]
A galvanometer of resistance when connected in series with measures a voltage of upto . The value of resistance required to convert the galvanometer into ammeter to read upto is . The value of is :
A solenoid of length has a radius of and is made up of ' ' number of turns. It carries a current of . If the magnitude of the magnetic field inside the solenoid is , then the value of is :
Three vectors , and each of magnitude are acting as shown in figure. The resultant of the three vectors is . The value of is _______.
An infinitely long positively charged straight thread has a linear charge density . An electron revolves along a circular path having axis along the length of the wire. The graph that correctly repres
To determine the resistance (R) of a wire, a circuit is designed below, The V-I characteristic curve for this circuit is plotted for the voltmeter and the ammeter readings as shown in figure. The valu
There are 100 divisions on the circular scale of a screw gauge of pitch . With no measuring quantity in between the jaws, the zero of the circular scale lies 5 divisions below the reference line. The
A charge of is moving with a velocity of along the positive y-axis under a magnetic field of strength . The force acting on the charge is . The value of is__ [29-Jan-2024 Shift 2]
Two thermodynamical process are shown in the figure. The molar heat capacity for process and are and . The molar heat capacity at constant pressure and constant volume are represented by and , respect
Two identical conducting spheres and with charge on each, repel each other with a force . A third identical uncharged conducting sphere is successively brought in contact with the two spheres. The new
In a hypothetical fission reaction The identity of emitted particles is :
A hydrogen atom changes its state from to . Due to recoil, the percentage change in the wave length of emitted light is approximately . The value of is ________ [Given , , mass of the hydrogen atom ]
A thin metallic wire having cross sectional area of is used to make a ring of radius . A positive charge of is uniformly distributed over the ring, while another positive charge of 30 is kept at the c
Monochromatic light of frequency is produced by a laser. The power emitted is . How many photons per second on an average, are emitted by the source? Given [1-Feb-2024 Shift 2]
In an a.c. circuit, voltage and current are given by: and respectively.The average power dissipated in one cycle is : [29-Jan-2024 Shift 2]
Match List-I with List-II :- List-I EM-Wave List-II Wavelength Range (A) Infra-red (I) (B) Ultraviolet (II) to (C) X-rays (III) to (D) Gamma rays (IV) to Choose the correct answer from the options giv
In the given circuit, the current flowing through the resistance is , while the ammeter reads 0.9 A. The value of is_____ . [29-Jan-2024 Shift 2]
In a test experiment on a model aeroplane in wind tunnel, the flow speeds on the upper and lower surfaces of the wings are and respectively. If the wing area is the lift of the wing is _______ .(Given
The charge accumulated on the capacitor connected in the following circuit is ____ Given [27-Jan-2024 Shift 1]
A force displaces a body from to . Work done by this force is ............J.
In finding out refractive index of glass slab the following observations were made through travelling microscope 50 vernier scale division 49 MSD; 20 divisions on main scale in each For mark on paper
The diffraction pattern of a light of wavelength diffracting from a slit of width is focused on the focal plane of a convex lens of focal length . The width of the secondary maxima will be : [30-Jan-2
A ceiling fan having 3 blades of length each is rotating with an angular velocity of . The magnetic field of earth in that region is and angle of dip is . The emf induced across the blades is . The va
The resultant of two vectors and is perpendicular to and its magnitude is half that of . The angle between vectors and is ______.
The truth table for this given circuit is : [29-Jan-2024 Shift 2]
At the centre of a half ring of radius and linear charge density , the potential is . The value of is _____
A closed organ pipe long gives 7 beats per second with an open organ pipe of length , both vibrating in fundamental mode. The velocity of sound is _____ . [27-Jan-2024 Shift 2]
In an ammeter, of the main current passes through the galvanometer. If resistance of the galvanometer is , the resistance of ammeter will be : [1-Feb-2024 Shift 2]
An electric bulb rated is connected across a supply. The power dissipation of the bulb is :
Applying the principle of homogeneity of dimensions, determine which one is correct. where is time period, is gravitational constant, is mass, is radius of orbit.[4 Apr 2024 Shift 2]
A light ray is incident on a glass slab of thickness .
A player caught a cricket ball of mass moving at a speed of . If the catching process is completed in , the magnitude of force exerted by the ball on the hand of the player is:
Conductivity of a photodiode starts changing only if the wavelength of incident light is less than . The band gap of photodiode is found to be . The value of is: (Given, ) [1-Feb-2024 Shift 2]
The distance between charges and is and between and is . The electrostatic potential at point at a distance from centre is , where the value of is (Use [31-Jan-2024 Shift 2]
In photoelectric experiment energy of irradiates a photo sensitive material. The stopping potential was measured to be . Work function of the photo sensitive material is :
A particle moves in a straight line so that its displacement at any time is given by . Its acceleration at any time is where ______.[6 Apr 2024 Shift 2]
Three blocks having masses and respectively are hanging from a smooth pully using rope 1,2 and 3 as shown in figure. The tension in the rope when they are moving upward with acceleration of is .......
Least count of a vernier caliper is . The value of one division on the main scale is . Then the number of divisions of main scale that coincide with divisions of vernier scale is :[8 Apr 2024 Shift 2]
The electric field of an electromagnetic wave in free space is represented as . The corresponding magnetic induction vector will be : [30-Jan-2024 Shift 1]
According to Bohr's theory, the moment of momentum of an electron revolving in orbit of hydrogen atom is :
A series LCR circuit is subjected to an AC signal of . If the voltage across the inductor is , then the current in this circuit is _______.
In the given circuit, the terminal potential difference of the cell is :
A capacitor has air as dielectric medium and two conducting plates of area and they are apart. When a slab of dielectric having area and thickness is inserted between the plates, one of the conducting
The current in an inductor is given by where is in second. The magnitude of induced emf produced in the inductor is . The self-inductance of the inductor _____ .
Let and be a vector such that . If , then is equal to _______.
In an expression :[8 Apr 2024 Shift 1]
A parallel beam of monochromatic light of wavelength is incident normally on a single narrow slit of width . The light is focused by convex lens on screen, placed on its focal plane. The first minima
A block of mass slides over a distance of on a horizontal surface. If the co-efficient of friction between the surfaces is 0.4 , then the work done against friction (in ) is : [29-Jan-2024 Shift 1]
A cricket player catches a ball of mass moving with speed. If the catching process is completed in then the magnitude of force exerted by the ball on the hand of player will be (in SI unit): [1-Feb-20
A capacitor of reactance and a resistor of resistance are connected in series with an ac source of peak value . The power dissipation in the circuit is. ______ W.
Two waves of intensity ratio 1:9 cross each other at a point. The resultant intensities at the point, when (a) Waves are incoherent is (b) Waves are coherent is and differ in phase by . If then ____ [
All surfaces shown in figure are assumed to be frictionless and the pulleys and the string are light. The acceleration of the block of mass is : [30-Jan-2024 Shift 1]
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R ).Assertion (A) : The angular speed of the moon in its orbit about the earth is more than the a
Match List I with List II List-I List-II A. Purely capacitive circuit I. B. Purely inductive circuit II. C. LCRseries at resonance III. D. LCRseriescircuit IV. Choose the correct answer from the optio
The heat absorbed by a system in going through the given cyclic process is:
Which of the following phenomena does not explain by wave nature of light.(A) reflection(B) diffraction(C) photoelectric effect(D) interference(E) polarizationChoose the most appropriate answer from t
A body of mass is lifted to a height of from the ground in the two different ways as shown in the figures. The ratio of work done against the gravity in both the respective cases, will be:
The equation of stationary wave is : Which of the following is NOT correct[4 Apr 2024 Shift 1]
Two persons pull a wire towards themselves. Each person exerts a force of on the wire. Young's modulus of the material of wire is . Original length of the wire is and the area of cross section is . Th
A metal wire of uniform mass density having length and mass is bent to form a semicircular arc and a particle of mass is placed at the centre of the arc. The gravitational force on the particle by the
In Young's double slit experiment, carried out with light of wavelength 5000 , the distance between the slits is 0.3 and the screen is at 200 from the slits. The central maximum is at . The value of f
A proton and an electron are associated with same de-Broglie wavelength. The ratio of their kinetic energies is:(Assume and )
The width of one of the two slits in a Young's double slit experiment is 4 times that of the other slit. The ratio of the maximum of the minimum intensity in the interference pattern is :
In the given circuit, the current in resistance is : [29-Jan-2024 Shift 2]
Two metallic wires and have same volume and are made up of same material. If their area of cross sections are in the ratio and force is applied to , an extension of is produced. The force which is req
A moving coil galvanometer has 100 turns and each turn has an area of . The magnetic field produced by the magnet is and the deflection in the coil is 0.05 radian when a current of is passed through i
In a nuclear fission reaction of an isotope of mass , three similar daughter nuclei of same mass are formed. The speed of a daughter nuclei in terms of mass defect will be : [30-Jan-2024 Shift 2]
If is the mass of isotope and are the masses of proton and neutron, then nuclear binding energy of isotope is:
Pressure inside a soap bubble is greater than the pressure outside by an amount :(given : Radius of bubble, Surface tension of bubble)
When a potential difference is applied across a wire of resistance , it dissipates energy at a rate . If the wire is cut into two halves and these halves are connected mutually parallel across the sam
Two slits are apart and the screen is located away from the slits. A light wavelength is used. The width of each slit to obtain 10 maxima of the double slit pattern within the central maximum of the s
A coin is placed on a disc. The coefficient of friction between the coin and the disc is . If the distance of the coin from the center of the disc is , the maximum angular velocity which can be given
Match list-I with list-II List-I List-II (A) Kinetic energy of planet (I) (B) Gravitation Potentialenergy of Sun-planetsystem. (II) (C) Total mechanical energy of planet (III) (D) Escape energy at the
Let a unit vector which makes an angle of with and angle of with be . Then is :
If is the radius of the earth and the acceleration due to gravity on the surface of earth is , then the length of the second's pendulum at a height from the surface of earth will be,: [1-Feb-2024 Shif
From the statements given below :(A) The angular momentum of an electron in orbit is an integral multiple of .(B) Nuclear forces do not obey inverse square law.(C) Nuclear forces are spin dependent.(D
The number of electrons flowing per second in the filament of a bulb operating at is : (Given e )
A nucleus has mass number and volume . Another nucleus has mass number and volume . If relation between mass number is , then ____ [31-Jan-2024 Shift 2]
Given below are two statements :Statement I : The contact angle between a solid and a liquid is a property of the material of the solid and liquid as well.Statement II : The rise of a liquid in a capi
Monochromatic light of wavelength is used in Young's double slit experiment. An interference pattern is obtained on a screen When one of the slits is covered with a very thin glass plate (refractive i
The ratio of heat dissipated per second through the resistance and in the circuit given below is :
30. Let , and a vector be such that . If , then is equal to ______.
A ring and a solid sphere roll down the same inclined plane without slipping. They start from rest. The radii of both bodies are identical and the ratio of their kinetic energies is where is [27-Jan-2
A proton and a deutron having same kinetic energies enter a region of uniform magnetic field , moving perpendicular to . The ratio of the radius of deutron path to the radius of the proton path is :
The explosive in a Hydrogen bomb is a mixture of and in some condensed form. The chain reaction is given by During the explosion the energy released is approximately[Given : amu. , and [29-Jan-2024 Sh
The reading of pressure metre attached with a closed pipe is . On opening the valve, water starts flowing and the reading of pressure metre falls to . The velocity of water is found to be . The value
The set of all , for which the vector and are inclined at an obtuse angle for all is :
A stone of mass is tied to a string and moved in a vertical circle of radius making . The tension in the string, when the stone is at the lowest point is (if and ) [29-Jan-2024 Shift 2]
The radius (r), length and resistance (R) of a metal wire was measured in the laboratory as The percentage error in resistivity of the material of the wire is : [1-Feb-2024 Shift 1]
The value of unknown resistance (x) for which the potential difference between and will be zero in the arrangement shown, is :
A current of deflects the coil of a moving coil galvanometer through . The current to cause deflection through radian is : [27-Jan-2024 Shift 2]
A heavy box of mass is moving on a horizontal surface. If co-efficient of kinetic friction between the box and horizontal surface is 0.3 then force of kinetic friction is :
When unpolarized light is incident at an angle of on a transparent medium from air. The reflected ray is completely polarized. The angle of refraction in the medium is [31-Jan-2024 Shift 2]
If 50 Vernier divisions are equal to 49 main scale divisions of a travelling microscope and one smallest reading of main scale is , the Vernier constant of travelling microscope is: [30-Jan-2024 Shift
The characteristics of an electronic device shown in the figure. The device is :
The displacement and the increase in the velocity of a moving particle in the time interval of to are and , respectively. The distance travelled by the particle in is ____ . [30-Jan-2024 Shift 1]
Two identical charged spheres are suspended by string of equal lengths. The string make an angle of with each other. When suspended in a liquid of density , the angle remains same. If density of mater
A spherical ball of radius and density falls freely under gravity through a distance before entering a tank of water, If after entering in water the velocity of the ball does not change, then the valu
If the total energy transferred to a surface in time is , then the magnitude of the total momentum delivered to this surface for complete absorption will be : [30-Jan-2024 Shift 2]
If the percentage errors in measuring the length and the diameter of a wire are each. The percentage error in measuring its resistance will be: [31-Jan-2024 Shift 1]
The magnetic field at the centre of a wire loop formed by two semicircular wires of radii and carrying current as per figure given below is . The value of is ____. (Centre is common for all segments)
An ac source is connected in given series LCR circuit. The rms potential difference across the capacitor of is ______ .
When kinetic energy of a body becomes 36 times of its original value, the percentage increase in the momentum of the body will be :
A satellite revolving around a planet in stationary orbit has time period 6 hours. The mass of planet is one-fourth the mass of earth. The radius orbit of planet is : (Given Radius of geo-stationary o
A cube of ice floats partly in water and partly in kerosene oil. The radio of volume of ice immersed in water to that in kerosene oil (specific gravity of Kerosene oil , specific gravity of ice )
An electric field, passes through the surface of area having unit vector . The electric flux for that surface is _______ .
The potential energy function (in J) of a particle in a region of space is given as . Here and are in meter. The magnitude of - component of force (in ) acting on the particle at point is : [29-Jan-20
A diatomic gas does of work in an isobaric expansion. The heat given to the gas is:
A cylinder is rolling down on an inclined plane of inclination . It's acceleration during rolling down will be , where ______ (use ). [29-Jan-2024 Shift 1]
In a single slit experiment, a parallel beam of green light of wavelength passes through a slit of width . The transmitted light is collected on a screen away. The distance of first order minima from
Given below are two statements :Statement I : In an LCR series circuit, current is maximum at resonance.Statement II : Current in a purely resistive circuit can never be less than that in a series LCR
Two conducting circular loops A and B are placed in the same plane with their centres coinciding as shown in figure. The mutual inductance between them is:
A sample of 1 mole gas at temperature is adiabatically expanded to double its volume. If adiabatic constant for the gas is , then the work done by the gas in the process is:
The density and breaking stress of a wire are and respectively. The wire is suspended from a rigid support on a planet where acceleration due to gravity is of the value on the surface of earth. The ma
A simple pendulum is placed at a place where its distance from the earth's surface is equal to the radius of the earth. If the length of the string is , then the time period of small oscillations will
A vernier callipers has 20 divisions on the vernier scale, which coincides with division on the main scale. The least count of the instrument is . One main scale division is equal to ______ .[5 Apr 20
A bulb and a capacitor are connected in series across an ac supply. A dielectric is then placed between the plates of the capacitor. The glow of the bulb:
A parallel beam of monochromatic light of wavelength passes through single slit of width. Angular divergence corresponding to second order minima would be _____ .
The magnetic field in a plane electromagnetic wave is . The corresponding electric field will be
A galvanmeter has a coil of resistance with a full scale deflection at . The value of resistance to be added to use it as an ammeter of range is:
An element is placed at the origin and carries a large current . The magnetic field on the -axis at a distance of from the elements of length is :
The energy equivalent of of substance is:
The relation between time ' ' and distance ' ' is , where and are constants. The relation between acceleration (a) and velocity (v) is: [31-Jan-2024 Shift 1]
In a coil, the current changes form to in and induces an emf of . The selfinductance of the coil is :
Given below are two statements:Statement (I): When an object is placed at the centre of curvature of a concave lens, image is formed at the centre of curvature of the lens on the other side.Statement
Let and . If is the unit vector in the direction of such that , then is equal to
The measured value of the length of a simple pendulum is with accuracy. The time for 50 oscillations was measured to be 40 seconds with 1 second resolution. From these measurements, the accuracy in th
A transformer has an efficiency of and works at and . If the secondary voltage is , then the current in the secondary coil is : [1-Feb-2024 Shift 2]
A particle is doing simple harmonic motion of amplitude and time period . The maximum velocity of the particle is ______ .
Given below are two statements:Statement I : If a capillary tube is immersed first in cold water and then in hot water, the height of capillary rise will be smaller in hot water.Statement II : If a ca
If average depth of an ocean is and the bulk modulus of water is , then fractional compression of water at the bottom of ocean is . The value of is________ (Given, ) [27-Jan-2024 Shift 1]
Young's modulus is determined by the equation given by where is the mass and is the extension of wire used in the experiment. Now error in Young modules is estimated by taking data from plot in graph
A ball of mass is attached to a string of length . The ball is rotated on a horizontal circular path about its vertical axis. The maximum tension that the string can bear is . The maximum possible val
A particle moving in a circle of radius with uniform speed takes time to complete one revolution. If this particle is projected with the same speed at an angle to the horizontal, the maximum height at
air is heated at constant volume through . The specific heat of air at constant volume is and joule . The change in its internal energy is approximately. [27-Jan-2024 Shift 1]
A parallel plate capacitor with plate separation 5 is charged up by a battery. It is found that on introducing a dielectric sheet of thickness , while keeping the battery connections intact, the capac
The horizontal component of earth's magnetic field at a place is . A very long straight conductor carrying current of in the direction from South east to North West is placed. The force per unit lengt
To find the spring constant (k) of a spring experimentally, a student commits positive error in the measurement of time and negative error in measurement of mass. The percentage error in determining v
The mass of the moon is times the mass of a planet and its diameter times the diameter of a planet. If the escape velocity on the planet is , the escape velocity on the moon will be: [31-Jan-2024 Shif
Match List-I with List-II List I vs X) List II (Shape of Graph) A. magneticsusceptibility magnetisingfield I. B. magnetic field distance from centre of a current carrying wire for (where radiusof wire
A charge is placed at the center of one of the surface of a cube. The flux linked with the cube is :-
The distance between object and its two times magnified real image as produced by a convex lens is . The focal length of the lens used is ____ . [30-Jan-2024 Shift 1]
The diameter of a sphere is measured using a vernier caliper whose 9 divisions of main scale are equal to 10 divisions of vernier scale. The shortest division on the main scale is equal to . The main
Two wavelengths and are used in Young's double slit experiment and . The minimum order of fringe produced by which overlaps with the fringe produced by is . The value of is ________.
An alternating emf volt is applied to a capacitor of , the rms value of current in the circuit is ______ .
A parallel plate capacitor of capacitance is charged by a battery connected between its plates to potential difference of . The battery is now disconnected and a dielectric slab is inserted between th
P-T diagram of an ideal gas having three different densities (in three different cases) is shown in the figure. Which of the following is correct :
Light emerges out of a convex lens when a source of light kept at its focus. The shape of wavefront of the light is:
A straight magnetic strip has a magnetic moment of . If the strip is bent in a semicircular shape, its magnetic moment will be ______ (Given )
The position of the image formed by the combination of lenses is :
A mass is suspended from the ceiling by a rope of length . A horizontal force ' ' is applied at the mid point of the rope so that the rope makes an angle of with respect to the vertical axis as shown
The equivalent resistance between and is:
A series LCR circuit with and , is connected across an ac source of supply. The power factor of the circuit would be___ [27-Jan-2024 Shift 2]
Correct formula for height of a satellite from earths surface is :
In the given electromagnetic wave , intensity of the associated light beam is (in ); (Given )
A plane electromagnetic wave propagating in xxx-direction is described by ; The intensity of the wave is :(Use ) [27-Jan-2024 Shift 1]
Consider two physical quantities and related to each other as where and have dimensions of energy, length and time respectively. The dimension of is [31-Jan-2024 Shift 2]
A galvanometer of resistance connected in the given circuit. The ratio of charge stored in and is : [1-Feb-2024 Shift 2]
The bob of a pendulum was released from a horizontal position. The length of the pendulum is . If it dissipates of its initial energy against air resistance, the speed with which the bob arrives at th
Two identical spheres each of mass and radius are fixed at the ends of a light rod so that the separation between the centers is . Then, moment of inertia of the system about an axis perpendicular to
A simple pendulum doing small oscillations at a place height above earth surface has time period of would be it's time period if is brought to a point which is at a height from earth surface. Choose t
Two coherent monochromatic light beams of intensities I and 4I are superimposed. The difference between maximum and minimum possible intensities in the resulting beam is xxx I. The value of xxx is ___
The deflection in moving coil galvanometer falls from 25 divisions to 5 division when a shunt of is applied. The resistance of galvanometer coil will be : [29-Jan-2024 Shift 1]
A star has helium composition. It starts to convert three into one via triple alpha process as . The mass of the star is and it generates energy at the rate of . The rate of converting these to is , w
When a coil is connected across a dc supply, it draws a current of . When it is connected across ac supply, it draws a current of . The self inductance of the coil is ______ . (Take )
The electrostatic potential due to an electric dipole at a distance ' ' varies as : [30-Jan-2024 Shift 1]
An astronaut takes a ball of mass from earth to space. He throws the ball into a circular orbit about earth at an altitude of . From earth's surface to the orbit, the change in total mechanical energy
Water boils in an electric kettle in 20 minutes after being switched on. Using the same main supply, the length of the heating element should be ............ to ............ times of its initial lengt
A particle of mass moves on a straight line with its velocity increasing with distance according to the equation , where is a constant. The total work done by all the forces applied on the particle du
A electron of hydrogen atom on an excited state is having energy . The maximum number of allowed transitions to lower energy level is ..... . . [30-Jan-2024 Shift 1]
The threshold frequency of a metal with work function is : [27-Jan-2024 Shift 2]
For three vectors , and if , them value of is _______.
A small spherical ball of radius , falling through a viscous medium of negligible density has terminal velocity ' '. Another ball of the same mass but of radius , falling through the same viscous medi
In a co-axial straight cable, the central conductor and the outer conductor carry equal currents in opposite directions. The magnetic field is zero.
The refractive index of a prism with apex angle A is . The angle of minimum deviation is : [31-Jan-2024 Shift 1]
A heater is designed to operate with a power of in a line. It is connected in combination with a resistance of and a resistance , to a mains as shown in figure. For the heater to operate at , the valu
A monochromatic light of wavelength 6000 is incident on the single slit of width 0.01 . If the diffraction pattern is formed at the focus of the convex lens of focal length 20 , the linear width of th
Two planets and having masses and move around the sun in circular orbits of and radii respectively. If angular momentum of is and that of is , the ratio of time period is:
An alternating voltage volt is applied to a purely resistive load of . The time taken for the current to rise from half of the peak value to the peak value is: [30-Jan-2024 Shift 2]
10 divisions on the main scale of a Vernier calliper coincide with 11 divisions on the Vernier scale. If each division on the main scale is of 5 units, the least count of the instrument is : [1-Feb-20
Two forces and are acting on a body. One force has magnitude thrice that of the other force and the resultant of the two forces is equal to the force of larger magnitude. The angle between and is . Th
A mixture of one mole of monoatomic gas and one mole of a diatomic gas (rigid) are kept at room temperature . The ratio of specific heat of gases at constant volume respectively is:
Which figure shows the correct variation of applied potential difference (V)(V)(V) with photoelectric current (I) at two different intensities of light I1<.I_1 < .I1<. I2I_2I2 ) of same wavelengths
The speed of sound in oxygen at S.T.P. will be approximately:(Given, ) [31-Jan-2024 Shift 2]
In an alpha particle scattering experiment distance of closest approach for the particle is . If target nucleus has atomic number 80 , then maximum velocity| of -particle is ______ approximately. unit
An electron rotates in a circle around a nucleus having positive charge . Correct relation between total energy (E) of electron to its potential energy is:
An infinite plane sheet of charge having uniform surface charge density is placed on plane. Another infinitely long line charge having uniform linear charge density is placed at plane and parallel to
A satellite of mass is revolving in circular orbit of radius . If energy is supplied to the satellite, it would revolve in a new circular orbit of radius :(use radius of earth)
Given below are two statements: one is labelled as Assertion(A) and the other is labelled as Reason (R).Assertion (A) : In Vernier calliper if positive zero error exists, then while taking measurement
The electrostatic force and magnetic force acting on a charge moving with velocity can be written :
The electric field in an electromagnetic wave is given by . The magnetic field induction of this wave is (in SI unit):
Given below are two statements : one is labelled aAssertion (A) and the other is labelled as Reason(R)Assertion (A) : Work done by electric field on moving a positive charge on an equipotential surfac
For the photoelectric effect, the maximum kinetic energy (Ek)(E_k)(Ek) of the photoelectrons is plotted against the frequency (v)(v)(v) of the incident photons as shown in figure. The slope of the gr
A square loop PQRS having 10 turns, area and resistance is slowly and uniformly being pulled out of a uniform magnetic field of magnitude as shown. Work done in pulling the loop out of the field in is
A bullet is fired into a fixed target looses one third of its velocity after travelling . It penetrates further before coming to rest. The value of is : [27-Jan-2024 Shift 2]
Three capacitors of capacitances and are connected in parallel to a supply of 100 V. Energy stored in the above combination is E. When these capacitors are connected in series to the same supply, the
In a photoelectric effect experiment a light of frequency 1.5 times the threshold frequency is made to fall on the surface of photosensitive material. Now if the frequency is halved and intensity is d
A potential divider circuit is connected with a dc source of , a light emitting diode of glow in voltage and a zener diode of breakdown voltage of . The length (PR) of the resistive wire is . The mini
The electric current through a wire varies with time as t. where and . The amount of electric charge crossed through a section of the wire in is : [29-Jan-2024 Shift 1]
A small liquid drop of radius is divided into 27 identical liquid drops. If the surface tension is , then the work done in the process will be : [29-Jan-2024 Shift 2]
A wire of resistance and length is cut into 5 equal parts. If these parts are joined parallely, then resultant resistance will be : [27-Jan-2024 Shift 1]
In a plane EM wave, the electric field oscillates sinusoidally at a frequency of and an amplitude of . The total average energy density of the electromagnetic field of the wave is : [Use ] [31-Jan-202
Match List-I with List-II. List-I List-II A. Coefficient of viscosity I. { } B. Surface Tension II. { } C. Angular momentum III. { } D. Rotational kinetic energy IV. { } [30-Jan-2024 Shift 1]
If , let be the angle between the vectors and . If the vectors and are mutually perpendicular, then the value of is equal to
Which of the following nuclear fragments corresponding to nuclear fission between neutron and uranium isotope is correct:
The dimensional formula of latent heat is:[9 Apr 2024 Shift 1]
A wooden block of mass rests on soft horizontal floor. When an iron cylinder of mass 25 is placed on the top of the block, the floor yields and the block and the cylinder together go down with an acce
A long straight wire of radius a carries a steady current I. The current is uniformly distributed across its cross section. The ratio of the magnetic field at and 2a from axis of the wire is :
Given below are two statements :Statement (I) : Planck's constant and angular momentum have same dimensions.Statement (II) : Linear momentum and moment of force have same dimensions.In the light of th
A thermodynamic system is taken from an original state to an intermediate state by a linear process as shown in the figure. It's volume is then reduced to the original value from to by an isobaric pro
In an experiment to measure the focal length ( ) of a convex lens, the magnitude of object distance ( ) and the image distance ( ) are measured with reference to the focal point of the lens. The plot
A clock has long second hand and minute hand respectively. In 30 minutes duration the tip of second hand will travel distance more than the tip of minute hand. The value of in meter is nearly (Take ):
In the following circuit, the battery has an emf of 2 and an internal resistance of . The power consumption in the entire circuit is_______ W. [31-Jan-2024 Shift 2]
A particle executes simple harmonic motion with an amplitude of . At the mean position, velocity of the particle is . The distance of the particle from the mean position when its speed becomes is , wh
A train is moving with a speed of on rails which are apart. To negotiate a curve radius , the height by which the outer rail should be raised with respect to the inner rail is (Given, ): [27-Jan-2024
A particle performs simple harmonic motion with amplitude A. Its speed is increased to three times at an instant when its displacement is . The new amplitude of motion is . The value of is___ [31-Jan-
When a polaroid sheet is rotated between two crossed polaroids then the transmitted light intensity will be maximum for a rotation of : [27-Jan-2024 Shift 2]
When a metal surface is illuminated by light of wavelength , the stopping potential is 8 V. When the same surface is illuminated by light of wavelength , stopping potential is 2 V. The threshold wavel
In hydrogen like system the ratio of coulombian force and gravitational force between an electron and a proton is in the order of:
Force between two point charges and placed in vacuum at ' ' apart is F. Force between them when placed in a medium having dielectric at ' ' apart will be: [31-Jan-2024 Shift 2]
Which of the following circuits is reverse - biased ? [27-Jan-2024 Shift 1]
An effective power of a combination of 5 identical convex lenses which are kept in contact along the principal axis is . Focal length of each of the convex lens is :
Identify the physical quantity that cannot be measured using spherometer : [27-Jan-2024 Shift 1]
Two discs of moment of inertia and about their central axes & normal to their planes, rotating with angular speeds & respectively are brought into contact face to face with their axe of rotation coinc
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A : Number of photons increases with increase in frequency of light.Reason R : Maximum k
A mass is suspended from a spring of negligible mass and the system oscillates with a frequency . The frequency of oscillations if a mass is suspended from the same spring is . The value of is [1-Feb-
If a rubber ball falls from a height and rebounds upto the height of . The percentage loss of total energy of the initial system as well as velocity ball before it strikes the ground, respectively, ar
If mass is written as then the value of will be : (Constants have their usual meaning with a dimensionless constant) [30-Jan-2024 Shift 2]
The excess pressure inside a soap bubble is thrice the excess pressure inside a second soap bubble. The ratio between the volume of the first and the second bubble lis :
Given below are two statements:Statement-I: Figure shows the variation of stopping potential with frequency ( ) for the two photosensitive materials and . The slope gives value of , where is Planck's
A convex lens of focal length forms an image of an extended source of light on a photoelectric cell. A current is produced. The lens is replaced by another convex lens having the same diameter but foc
A body of mass begins to move under the action of a time dependent force given by . The power developed by the force at the time is given by: [31-Jan-2024 Shift 2]
A particle of mass executes simple harmonic motion under force . The time period of oscillation is . The value of is ______ . (Given )
Two vessels A and B are of the same size and are at same temperature. A contains of hydrogen and contains of oxygen. and are the pressures of the gases in A and respectively, then is : [29-Jan-2024 Sh
Three blocks A, B and C are pulled on a horizontal smooth surface by a force of as shown in figureThe tensions and in the string are respectively: [30-Jan-2024 Shift 2]
The output of logic circuit given below is 0 only when :
A proton and an electron have the same de Broglie wavelength. If KpK_pKp and KeK_eKe be the kinetic energies of proton and electron respectively. Then choose the correct relation :
A block of mass is placed on a rough inclined surface as shown in the figure.If is the force required to just move the block up the inclined plane and is the force required to just prevent the block f
A body of slides from rest along the curve of vertical circle from point to in friction less path. The velocity of the body at is :(given, and )
In a metre-bridge when a resistance in the left gap is and unknown resistance in the right gap, the balance length is found to be . On shunting the unknown resistance with , the balance length changes
Three bodies A, B and have equal kinetic energies and their masses are and respectively. The ratio of their linear momenta is :
The magnetic potential due to a magnetic dipole at a point on its axis situated at a distance of from its center is . The magnetic moment of the dipole is_____ . (Given : ) [29-Jan-2024 Shift 1]
An electric field is given by . The electric flux through a surface area lying in YZ-plane (in SI unit) is : [29-Jan-2024 Shift 2]
The electric field between the two parallel plates of a capacitor of capacitance drops to one third of its initial value in s when the plates are connected by a thin wire. The resistance of this wire
By what percentage will the illumination of the lamp decrease if the current drops by ? [31-Jan-2024 Shift 2]
UV light of is incident on a photosensitive metal surface having work function . The maximum kinetic energy of ejected photoelectrons will be :
A body falling under gravity covers two points A and separated by in . The distance of upper point A from the starting point is____ use [27-Jan-2024 Shift 2]
The current flowing through the resistor is The value of is ______.
The time period of simple harmonic motion of mass in the given figure is , where the value of is _____ [31-Jan-2024 Shift 2]
A wire of cross sectional area A, modulus of elasticity and length is stretched between two vertical rigid supports. When a mass of is suspended at the middle it sags lower from its original position
moles of a polyatomic gas must be mixed with two moles of a monoatomic gas so that the mixture behaves as a diatomic gas. The value of is : [29-Jan-2024 Shift 2]
The shortest wavelength of the spectral lines in the Lyman series of hydrogen spectrum is . The longest wavelength of spectral lines in the Balmer series will be ______ .
Three voltmeters, all having different internal resistances are joined as shown in figure. When some potential difference is applied across and , their readings are and . Choose the correct option. [2
If and are the vertices of a quadrilateral , then its area is :
Three infinitely long charged thin sheets are placed as shown in figure. The magnitude of electric field at the point is . The value of is _____ (all quantities are measured in SI units).
A particle is moving in a straight line. The variation of position ' ' as a function of time ' ' is given as . The velocity of the body when its acceleration becomes zero is : [29-Jan-2024 Shift 2]
The resistances of the platinum wire of a platinum resistance thermometer at the ice point and steam point are and respectively. After inserting in a hot bath of temperature , the resistance of platin
An electric toaster has resistance of at room temperature . The toaster is connected to a supply. If the current flowing through it reaches , the temperature attained by toaster is around : (if ) [30-
A square loop of side being moved towards right at a constant speed of as shown in figure. The front edge enters the wide magnetic field at . The value of induced emf in the loop at will be :
A ball rolls off the top of a stairway with horizontal velocity . The steps are high and wide. The minimum velocity with which that ball just hits the step 5 of the stairway will be where ________ [us
In the given arrangement of a doubly inclined plane two blocks of masses and are placed. The blocks are connected by a light string passing over an ideal pulley as shown. The coefficient of friction b
Let be a triangle of area and the vectors and . Then the square of the length of the largest side of the triangle is
The resistance per centimeter of a meter bridge wire is , with resistance in left gap. Balancing length from left end is at with resistance in right gap. Now the wire is replaced by another wire of re
Critical angle of incidence for a pair of optical media is . The refractive indices of first and second media are in the ratio:
Small water droplets of radius are formed in the upper atmosphere and falling with a terminal velocity of . Due to condensation, if 8 such droplets are coalesced and formed a larger drop, the new term
A wooden block, initially at rest on the ground, is pushed by a force which increases linearly with time . Which of the following curve best describes acceleration of the block with time :
Which of the following statement is not true about stopping potential ?
The temperature of a gas is and the average translational kinetic energy of its molecules is . The temperature at which the average translational kinetic energy of the molecules of the same gas become
The current of flows in a square loop of sides 1 is placed in air. The magnetic field at the centre of the loop is . The value of is____ [30-Jan-2024 Shift 2]
Energy of 10 non rigid diatomic molecules at temperature is :
An alternating voltage of amplitude and frequency is applied directly across the capacitor of . The maximum displacement current between the plates of the capacitor is nearly:
A force is represented by Where distance and time. The dimensions of are : [31-Jan-2024 Shift 1]
The disintegration energy for the nuclear fission of is _______ .Given atomic masses of Value of
A block of ice at is slowly heated and converted to steam at . Which of the following curves represent the phenomenon qualitatively: [30-Jan-2024 Shift 2]
A small ball of mass and density is dropped in a viscous liquid of density . After sometime, the ball falls with constant velocity. The viscous force on the ball is :
If the refractive index of the material of a prism is , where is the angle of prism then the angle of minimum deviation will be [27-Jan-2024 Shift 1]
If three moles of monoatomic gas is mixed with two moles of a diatomic gas , the value of adiabatic exponent for the mixture is: [30-Jan-2024 Shift 2]
The temperature of a gas having molecules per cubic meter at (Given, is : [29-Jan-2024 Shift 2]
A proton, an electron and an alpha particle have the same energies. Their de-Broglie wavelengths will be compared as:
Two satellite A and B go round a planet in circular orbits having radii and respectively. If the speed of is , the speed of will be :
Given below are two statements :Statement I : Most of the mass of the atom and all its positive charge are concentrated in a tiny nucleus and the electrons revolve around it, is Rutherford's model.Sta
When a dc voltage of is applied to an inductor, a dc current of flows through it. When an ac voltage of peak value is connected to inductor, its inductive reactance is found to be . The power dissipat
A body moves on a frictionless plane starting from rest. If is distance moved between and and is distance moved between and , then the ratio is for . The value of is _______[5 Apr 2024 Shift 1]
Given below are two statements :Statement (I) : The limiting force of static friction depends on the area of contact and independent of materials.Statement (II) : The limiting force of kinetic frictio
Two charges of and are placed at the points and located in an electric field . The magnitude of the torque acting on the dipole is , Where ____ [27-Jan-2024 Shift 2]
A gas mixture consists of 8 moles of argon and 6 moles of oxygen at temperature T. Neglecting all vibrational modes, the total internal energy of the system is [31-Jan-2024 Shift 2]
The output of the given circuit diagram is [31-Jan-2024 Shift 2]
A physical quantity is found to depend on quantities by the relation . The percentage error in a, b and are and respectively. Then, the percentage error in is : [29-Jan-2024 Shift 2]
Match List I with List II List-I List-II A. Gauss's law of magnetostatics I. B. Faraday's law of electro magnetic induction II. C. Ampere's law III. D. Gauss's law of electrostatics IV. Choose the cor
The electric field at point due to an electric dipole is . The electric field at point on equitorial line will be . The value of :
Two long, straight wires carry equal currents in opposite directions as shown in figure. The separation between the wires is . The magnitude of the magnetic field at a point midway between the wires i
In the truth table of the above circuit the value of and are :
A body projected vertically upwards with a certain speed from the top of a tower reaches the ground in . If it is projected vertically downwards from the same point with the same speed, it reaches the
A simple pendulum of length has a wooden bob of mass . It is struck by a bullet of mass moving with a speed of . The bullet gets embedded into the bob. The height to which the bob rises before swingin
The depth below the surface of sea to which a rubber ball be taken so as to decrease its volume by is ______ .(Take density of sea water , Bulk modulus of rubber , and ) [31-Jan-2024 Shift 1]
The total kinetic energy of 1 mole of oxyge is :[Use universal gas constant [27-Jan-2024 Shift 2]
When the displacement of a simple harmonic oscillator is one third of its amplitude, the ratio of total energy to the kinetic energy is , where ____ [29-Jan-2024 Shift 1]
The effective resistance between and , if resistance of each resistor is , will be
Identify the logic operation performed by the given circuit. [31-Jan-2024 Shift 1]
Two wires and are made up of the same material and have the same mass. Wire A has radius of and wire has radius of . The resistance of wire B is . The resistance of wire is ______ .
The ratio of the shortest wavelength of Balmer series to the shortest wavelength of Lyman series for hydrogen atom is :
A big drop is formed by coalescing 1000 small droplets of water. The surface energy will become : [1-Feb-2024 Shift 2]
A block of mass is placed on a surface having vertical cross section given by . If coefficient of friction is 0.5 , the maximum height above the ground at which block can be placed without slipping is
Two parallel long current carrying wire separated by a distance are shown in the figure. The ratio of magnetic field at to the magnetic field produced at is . The value of is ______.
A train starting from rest first accelerates uniformly up to a speed of for time , then it moves with a constant speed for time 3t. The average speed of the train for this duration of journey will be
Primary coil of a transformer is connected to ac. Primary and secondary turns of the transforms are 100 and 10 respectively. Secondary coil of transformer is connected to two series resistance shown i
Time periods of oscillation of the same simple pendulum measured using four different measuring clocks were recorded as and . The arithmetic mean of these reading in correct significant figure is.[5 A
While measuring diameter of wire using screw gauge the following readings were noted. Main scale reading is and circular scale reading is equal to 42 divisions. Pitch of screw gauge is and it has 100
The radius of third stationary orbit of electron for Bohr's atom is R. The radius of fourth stationary orbit will be: [27-Jan-2024 Shift 1]
A particle moving in a straight line covers half the distance with speed . The other half is covered in two equal time intervals with speeds 9 and respectively. The average speed of the particle durin
The current in a conductor is expressed as , where is in Ampere and is in second. The amount of electric charge that flows through a section of the conductor during to is _______C. [1-Feb-2024 Shift 1
In simple harmonic motion, the total mechanical energy of given system is . If mass of oscillating particle is doubled then the new energy of the system for same amplitude is :
A light planet is revolving around a massive star in a circular orbit of radius with a period of revolution . If the force of attraction between planet and star is proportional to then choose the corr
Two open organ pipes of length and resonate at and harmonics respectively. The difference of frequencies for the given modes is _______ .(Velocity of sound in air )
A particle is placed at the point of a frictionless track as shown in figure. It is gently pushed toward right. The speed of the particle when it reaches the point is : Take . [30-Jan-2024 Shift 1]
Which of the diode circuit shows correct biasing used for the measurement of dynamic resistance of junction diode :
A plane is in level flight at constant speed and each of its two wings has an area of . If the speed of the air is over the lower wing surface and over the upper wing surface, the mass of the plane is
Consider a Disc of mass , radius , rotating with angular velocity of about an axis perpendicular to the plane of rotation. An identical disc is kept gently over the rotating disc along the same axis.
A big drop is formed by coalescing 1000 small identical drops of water. If be the total surface energy of 1000 small drops of water and be the surface energy of single big drop of water, the : is wher
The distance between object and its 3 times magnified virtual image as produced by a convex lens is . The focal length of the lens used is ______ . [1-Feb-2024 Shift 1]
Choose the correct answer from the options given below : LIST I LIST II A. Torque II. B. Magnetic field II. C. Magnetic moment III. D. Permeability offree space IV. [6 Apr 2024 Shift 1]
The given figure represents two isobaric processes for the same mass of an ideal gas, then [31-Jan-2024 Shift 1]
A body of weight is suspended form a tree branch thought a chain of mass . The branch pulls the chain by a force equal to (if ):
The acceleration due to gravity on the surface of earth is . If the diameter of earth reduces to half of its original value and mass remains constant, then acceleration due to gravity on the surface o
A convex mirror of radius of curvature forms an image that is half the size of the object. The object distance is : [29-Jan-2024 Shift 1]
An object of mass executes simple harmonic motion along axis with frequency of . At the position the object has kinetic energy and potential energy . The amplitude of oscillation is ______ .
The magnetic flux (in weber) linked with a closed circuit of resistance varies with time (in seconds) as . The induced current in the circuit at is _____A. [31-Jan-2024 Shift 2]
The volume of an ideal gas is changed adiabatically from 5 litres to 4 litres. The ratio of initial pressure to final pressure is:
A square loop of side and resistance is placed vertically in east-west plane. A uniform magnetic field of is set up across the plane in north east direction. The magnetic field is decreased to zero in
Let and . If is a is vector such that and the angle between and is , then is equal to:
The angle between vector and the resultant of and is:
If is the number density and is the diameter of the molecule, then the average distance covered by a molecule between two successive collisions (i.e. mean free path) is represented by :
A big drop is formed by coalescing 1000 small droplets of water. The ratio of surface energy of 1000 droplets to that of energy of big drop is . The value of is ______.
During an adiabatic process, if the pressure of a gas is found to be proportional to the cube of its absolute temperature, then the ratio of for the gas is :
The translational degrees of freedom ( and rotational degrees of freedom of molecule are :
An electric field exists in space. A cube of side is placed in the space as per figure given below. The electric flux through the cube is .
A particular hydrogen - like ion emits the radiation of frequency when it makes transition from to . The frequency of radiation emitted in transition from to is , when _____ [1-Feb-2024 Shift 2]
Light from a point source in air falls on a convex curved surface of radius and refractive index 1.5. If the source is located at from the convex surface, the image will be formed at from the object.
The work function of a substance is . The longest wavelength of light that can cause the emission of photoelectrons from this substance is approximately: [30-Jan-2024 Shift 1]
A block of mass is pushed up a surface inclined to horizontal at an angle of by a force of parallel to the inclined surface as shown in figure. When the block is pushed up by along inclined surface, t
A sphere of relative density and diameter has concentric cavity of diameter . The ratio of , if it just floats on water in a tank is:
Let three vectors , from a triangle such that and the area of the triangle is . if is a positive real number, then is :
Given below are two statements :Statement (I) : Dimensions of specific heat is Statement (II) : Dimensions of gas constant is
Each of three blocks and shown in figure has a mass of . Each of the wire A and B has cross-sectional area and Young's modulus . Neglecting friction, the longitudinal strain on wire is ____ . Take ) [
In Young's double slit experiment, light from two identical sources are superimposing on a screen. The path difference between the two lights reaching at a point on the screen is . The ratio of intens
Two blocks of mass and are connected by a metal wire going over a smooth pulley as shown in figure. The radius of wire is and Young's modulus of the metal is . The longitudinal strain developed in the
The vehicles carrying inflammable fluids usually have metallic chains touching the ground :
In a double slit experiment shown in figure, when light of wavelength is used, dark fringe is observed at . If . the minimum distance between the slits and is_____ . [29-Jan-2024 Shift 1]
A circular coil having 200 turns, area and carrying current is placed in a uniform magnetic field of . Initially the magnetic dipole moment was directed along . Amount of work, required to rotate the
Let and be three given vectors. If is a vector such that and , then is equal to ______.
Two charges of and are situated at the points and respectively. The electric flux through a sphere of radius ' ' having center at origin is : [29-Jan-2024 Shift 1]
Let the position vectors of the vertices and of a triangle be and respectively. Let and be the lengths of perpendiculars drawn from the ortho center of the triangle on the sides and respectively, then
A particle starts from origin at with a velocity and moves in plane under action of a force which produces a constant acceleration of . If the -coordinate of the particle at that instant is , then the
A rod of length rotates with a uniform angular velocity about its perpendicular bisector, in a uniform magnetic field . The direction of magnetic field is parallel to the axis of rotation. The potenti
A rectangular loop of length and width is placed at to a magnetic field of . The loop is removed from the field in . The average emf induced in the loop during this time is [27-Jan-2024 Shift 1]
Two resistance of and are connected in series with a battery of and negligible internal resistance. A voltmeter is used to measure voltage across resistance, which gives reading as . The resistance of
A body travels in second and in second. The acceleration is :[4 Apr 2024 Shift 1]
The mass number of nucleus having radius equal to half of the radius of nucleus with mass number 192 is: [31-Jan-2024 Shift 2]
Arrange the following in the ascending order of wavelength :(A) Gamma rays (B) xxx-ray (C) Infrared waves (D) Microwaves Choose the most appropriate answer from the options given below :
A tuning fork resonates with a sonometer wire of length stretched with a tension of . When the tension in the wire is changed to , the same tuning fork produces 12 beats per second with it. The freque
The dimensional formula of angular impulse is : [1-Feb-2024 Shift 1]
Two charges and are separated by a distance ' ' in air. At a distance from charge , the resultant electric field is zero. The value of is : [31-Jan-2024 Shift 1]
To project a body of mass from earth's surface to infinity, the required kinetic energy is (assume, the radius of earth is acceleration due to gravity on the surface of earth) :
Four particles A, B, C, D of mass , have same momentum, respectively. The particle with maximum kinetic energy is :
A brick begins to slide over a surface which is inclined at an angle of with respect to horizontal axis. The co-efficient of static friction between their surfaces is :
The angle of projection for a projectile to have same horizontal range and maximum height is :[8 Apr 2024 Shift 2]
The output of following circuit for given inputs is :
Match List-I with List-II : List-IEM-Wave List-IIWavelengthRange (A) A force that restores an elastic body of unit area to its original state (I) Bulk modulus (B) Two equal and opposite forces paralle
Twelve wires each having resistance are joined to form a cube. A battery of emf is joined across point and . The voltage difference between and is ________ V.
Radius of a certain orbit of hydrogen atom is 8.48 . If energy of electron in this orbit is , then _____.(Given energy of electron in ground state)
A real gas within a closed chamber at undergoes the cyclic process as shown in figure. The gas obeys equation for the path to . The net work done in the complete cycle is (assuming ):
Let and . Then is equal to [1-Feb-2024 Shift 1]
In the given circuit, the voltage across load resistance is: [30-Jan-2024 Shift 2]
A alternating current at any instant is given by . The rms value of the current is ________ A.
A microwave of wavelength falls normally on a slit of width . The angular spread of the central maxima of the diffraction pattern obtained on a screen away from the slit, will be: [1-Feb-2024 Shift 2]
To measure the temperature coefficient of resistivity of a semiconductor, an electrical arrangement shown in the figure is prepared. The arm BC is made up of the semiconductor. The experiment is being
In the given figure an ammeter consists of a coil connected in parallel to a shunt. The reading of the ammeter is ______ .
A block is simply released from the top of an inclined plane as shown in the figure above. The maximum compression in the spring when the block hits the spring is :
Primary side of a transformer is connected to 230 V, supply. Turns ratio of primary to secondary winding is . Load resistance connected to secondary side is . The power consumed in it is : [27-Jan-202
The magnetic field existing in a region is given by . A square loop of edge carrying 0.5 A current is placed in plane with its edges parallel to the axes, as shown in figure. The magnitude of the net
A closed and an open organ pipe have same lengths. If the ratio of frequencies of their seventh overtones is then the value of is ______.
At room temperature , the resistance of a heating element is . The temperature coefficient of the material is . The temperature of the element, when its resistance is , is ______ .
In the given circuit if the power rating of Zener diode is , the value of series resistance to regulate the input unregulated supply is : [1-Feb-2024 Shift 1]
A particle of charge ' ' and mass ' ' moves in a circle of radius ' ' around an infinitely long line charge of linear density ' '. Then time period will be given as:(Consider k as Coulomb's constant)
One main scale division of a vernier caliper is equal to units. If division of main scale coincides with division of vernier scale, the least count of the vernier caliper is:[9 Apr 2024 Shift 1]
A proton moving with a constant velocity passes through a region of space without any change in its velocity. If and represent the electric and magnetic fields respectively, then the region of space m
A hydrogen atom in ground state is given an energy of . How many spectral lines will be emitted due to transition of electrons?
An object is placed in a medium of refractive index 3. An electromagnetic wave of intensity falls normally on the object and it is absorbed completely. The radiation pressure on the object would be (s
An electron is moving under the influence of the electric field of a uniformly charged infinite plane sheet having surface charge density . The electron at is at a distance of from and has a speed of
A ball suspended by a thread swings in a vertical plane so that its magnitude of acceleration in the extreme position and lowest position are equal. The angle of thread deflection in the extreme posit
A heavy iron bar, of weight is having its one end on the ground and the other on the shoulder of a person. The bar makes an angle with the horizontal. The weight experienced by the person is:
A regular polygon of 6 sides is formed by bending a wire of length meter. If an electric current of is flowing through the sides of the polygon, the magnetic field at the centre of the polygon would b
In an experiment to measure focal length (f) of convex lens, the least counts of the measuring scales for the position of object (u) and for the position of image (v) are and , respectively. The error
If frequency of electromagnetic wave is and it travels in air along direction then the corresponding electric and magnetic field vectors will be mutually perpendicular to each other and the wavelength
Let and be three vectors such that then is equal to :
If and makes an angle with each other, then for The integer value of is ______.
A car of is taking turn on a banked road of radius and angle of banking . If coefficient of static friction is 0.2 then the maximum speed with which car can negotiate the turn safely :
The least positive integral value of , for which the angle between the vectors and is acute, is___ [27-Jan-2024 Shift 1]
A bus moving along a straight highway with speed of is brought to halt within after applying the brakes. The distance travelled by the bus during this time (Assume the retardation is uniform) is _____
The specific heat at constant pressure of a real gas obeying equation is :
If the radius of earth is reduced to three-fourth of its present value without change in its mass then value of duration of the day of earth will be ______ hours 30 minutes.
At which temperature the r.m.s. velocity of a hydrogen molecule equal to that of an oxygen molecule at ? [30-Jan-2024 Shift 1]
Two identical charged spheres are suspended by strings of equal lengths. The strings make an angle with each other. When suspended in water the angle remains the same. If density of the material of th
Two insulated circular loop A and B radius ' ' carrying a current of ' ' in the anti clockwise direction as shown in figure. The magnitude of the magnetic induction at the centre will be : [30-Jan-202
The position vectors of the vertices and of a triangle are and respectively. Let denotes the length of the angle bisector of where is on the line segment , then equals : [27-Jan-2024 Shift 2]
Assuming the earth to be a sphere of uniform mass density, a body weighed on the surface of earth. How much it would weigh at depth under surface of earth?
The atomic mass of is and that of is . The required energy to remove a neutron from , if mass of neutron is , will be : [27-Jan-2024 Shift 2]
The gravitational potential at a point above the surface of earth is and the acceleration due to gravity at that point is . Assume that the mean radius of earth to be . The height of this point above
Given below are two statements:Statement I: Electromagnetic waves carry energy as they travel through space and this energy is equally shared by the electric and magnetic fields.Statement II: When ele
If the wavelength of the first member of Lyman series of hydrogen is . The wavelength of the second member will be [31-Jan-2024 Shift 1]
A coil having 100 turns, area of , carrying current of is placed in uniform magnetic field of such a way that plane of coil is perpendicular to the magnetic field. The work done in turning the coil th
A soap bubble is blown to a diameter of . of work is done in blowing it further. If surface tension of soap solution is then the new radius is _______ . Take .
A light emitting diode (LED) is fabricated using GaAs semiconducting material whose band gap is . The wavelength of light emitted from the LED is:
The energy released in the fusion of of hydrogen deep in the sun is and the energy released in the fission of of is . The ratio is approximately : (Consider the fusion reaction as , energy released in
An elastic spring under tension of has a lengtha. Its length is b under tension . For its length , the value of tension will be ________ .
If is the permittivity of free space and is the electric field, then has the dimensions :[8 Apr 2024 Shift 2]
An electron moves through a uniform magnetic field . At a particular instant of time, the velocity of electron is . If the magnetic force acting on electron is , where e is the charge of electron, the
The displacement of a particle executing SHM is given by . The time period of motion is . The velocity of the particle at is _______ .
An AC voltage is applied to a series LCR circuit which drives a current . The average power dissipated is: [31-Jan-2024 Shift 2]
and are two hollow concentric cubes enclosing charges 2Q and 3Q respectively as shown in figure. The ratio of electric flux passing through and is : [1-Feb-2024 Shift 2]
Projectiles A and B are thrown at angles of and with vertical respectively from top of a high tower. If their ranges and times of flight are same, the ratio of their speeds of projection is : [30-Jan-
A body of mass thrown horizontally with velocity from the top of the tower of height touches the ground at a distance of from the foot of the tower. A body of mass thrown at a velocity from the top of
A capacitor is made of a flat plate of area A and a second plate having a stair-like structure as shown in figure. If the area of each stair is and the height is , the capacitance of the arrangement i
A given object takes times the time to slide down rough inclined plane as it takes the time to slide down an identical perfectly smooth inclined plane. The coefficient of kinetic friction between the
Let . Let be the vector such that and . Then is equal to : [27-Jan-2024 Shift 1]
The parameter that remains the same for molecules of all gases at a given temperature is : [31-Jan-2024 Shift 1]
At what distance above and below the surface of the earth a body will have same weight, (take radius of earth as R.) [29-Jan-2024 Shift 1]
A wire of resistance is divided into 10 equal parts. A combination of two parts are connected in parallel and so on. Now resulting pairs of parallel combination are connected in series. The equivalent
The resistance where and , the percentage error in the measurement of is : [29-Jan-2024 Shift 1]
A point source is emitting sound waves of intensity at the origin. The difference in intensity (magnitude only) at two points located at a distances of and from the origin respectively will be______ .
A plane EM wave is propagating along xxx direction. It has a wavelength of 4 . If electric field is in yyy direction with the maximum magnitude of 60 , the equation for magnetic field is:
A light unstretchable string passing over a smooth light pulley connects two blocks of masses and . If the acceleration of the system is , then the ratio of the masses is:
A particle is moving in one dimension (along axis) under the action of a variable force. It's initial position was right of origin. The variation of its position (x) with time (t) is given as , where
Two different adiabatic paths for the same gas intersect two isothermal curves as shown in diagram. The relation between the ratio and the ratio is:
The coercivity of a magnet is . The amount of current required to be passed in a solenoid of length and the number of turns 150 , so that the magnet gets demagnetised when inside the solenoid is _____
The de-Broglie wavelength associated with a particle of mass and energy is . The dimensional formula for Planck's constant is :[9 Apr 2024 Shift 2]
A capacitor of capacitance and potential has energy E. It is connected to another capacitor of capacitance and potential . Then the loss of energy is , where is____ [30-Jan-2024 Shift 1]
The maximum height reached by a projectile is . If the initial velocity is halved, the new maximum height of the projectile is ______ .[5 Apr 2024 Shift 2]
If the radius of curvature of the path of two particles of same mass are in the ratio , then in order to have constant centripetal force, their velocities will be in the ratio of: [29-Jan-2024 Shift 1
If be the gravitational constant and be the energy density then which of the following quantity have the dimension as that the :
Choose the correct statement for processes A & B shown in figure. [30-Jan-2024 Shift 2]
Two identical capacitors have same capacitance . One of them is charged to the potential V and other to the potential . The negative ends of both are connected together. When the positive ends are als
A plane progressive wave is given by . The frequency of the wave is :
A rigid wire consists of a semicircular portion of radius and two straight sections. The wire is partially immerged in a perpendicular magnetic field as shown in figure. The magnetic force on the wire
Equivalent resistance of the following network is . [31-Jan-2024 Shift 1]
In the given figure and . Battery is ideal with emf . Equivalent resistant of the circuit and current supplied by battery are respectively.
Two cells are connected in opposition as shown. Cell is of emf and internal resistance; the cell is of emf and internal resistance. The terminal potential difference of cell is: [30-Jan-2024 Shift 1]
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R)Assertion (A) : The property of body, by virtue of which it tends to regain its original shape w
Let and , where is the origin. If the area of the parallelogram with adjacent sides and is 15 sq. units, then the area (in sq. units) of the quadrilateral is equal to :
In an ac circuit, the instantaneous current is zero, when the instantaneous voltage is maximum. In this case, the source may be connected to :A. pure inductor.B. pure capacitor.C. pure resistor.D. com
Mercury is filled in a tube of radius up to a height of . The force exerted by mercury on the bottom of the tube is _______ .(Given, atmospheric pressure , density of mercury , )
What is the dimensional formula of in the equation , where letters have their usual meaning.[5 Apr 2024 Shift 2]
A wire of length and radius connected across the right gap of a meter bridge. When a resistance of is connected on the left gap by using a resistance box, the balance length is found to be at from the
A body is moving unidirectionally under the influence of a constant power source. Its displacement in time is proportional to :
The electric potential at the surface of an atomic nucleus of radius is ____ [27-Jan-2024 Shift 2]
A particle moves in -y plane under the influence of a force such that its linear momentum is . If is constant, the angle between and will be :