JEE Main 2023 PYQ

Two forces having magnitude A and are perpendicular to each other. The magnitude of their resultant is: [8-Apr-2023 shift 1]

When vector is subtracted from vector , it gives a vector equal to . Then the magnitude of vector will be: [11-Apr-2023 shift 2]

If and then, The unit vector in the direction of is . The value of is [25-Jan-2023 Shift 1]

If two vectors and are perpendicular to each other.Then, the value of will be : [24-Jan-2023 Shift 2]

Vectors and are perpendicular to each other when , the ratio of a to is . The value of is____ [24-Jan-2023 Shift 1]

A vector in plane makes an angle of with -axis. The magnitude of y-component of vector is . The magnitude of -component of the vector will be : [15-Apr-2023 shift 1]

As shown in figure, a garden roller is pushed with a force of at an angle of with horizontal. The normal reaction on the roller is (Given ): [31-Jan-2023 Shift 1]

Under the same load, wire A having length and cross section stretches uniformly by the same amount as another wire B of length and a cross section of stretches. The ratio of the Young's modulus of wir

of a liquid is converted to vapour at pressure. If of the heat supplied is used for increasing the volume by during this phase change, then the increase in internal energy in the process will be : [24

Match List I with List II. List I List II A. Torque I. B. Energy density II. C. Pressure gradient III. D. Impulse IV. Choose the correct answer from the options given below : [30-Jan-2023 Shift 2]

A body of mass is tied to a spring of spring constant , while the other end of spring is fixed at point . If the body moves about in a circular path on a smooth horizontal surface with constant angula

A capacitor of capacitance is charged by a battery. The capacitor is disconnected from the battery and connected to another uncharged identical capacitor such that one plate of uncharged capacitor con

Considering a group of positive charges, which of the following statements is correct? [31-Jan-2023 Shift 2]

The velocity time graph of a body moving in a straight line is shown in figure.The ratio of displacement to distance travelled by the body in time 0 to is [24-Jan-2023 Shift 2]

The weight of a body on the surface of the earth is . The gravitational force on it when taken at a height, from the surface of earth, equal to one-fourth the radius of the earth is : [6-Apr-2023 shif

If the distance of the earth from Sun is . Then the distance of an imaginary planet from Sun, if its period of revolution is years is: [24-Jan-2023 Shift 2]

A wire of length ' ' and radius ' ' is clamped rigidly at one end. When the other end of the wire is pulled by a force , its length increases by ' '. Another wire of same material of length ' ' and ra

A point charge is placed at origin. Another point charge is placed at . Charge of proton is . The proton is placed on -axis so that the electrostatic force on the proton in zero. In this situation,the

The surface tension of soap solution is . The amount of work done required to increase the radius of soap bubble from to is ________ . (take ) [11-Apr-2023 shift 2]

A person driving car at a constant speed of is approaching a vertical wall. The person notices a change of in the frequency of his car's horn upon reflection from the wall. The frequency of horn is .

The average kinetic energy of a molecule of the gas is [1-Feb-2023 Shift 1]

A gas mixture consists of 2 moles of oxygen and 4 moles of neon at temperature T. Neglecting all vibrational modes, the total internal energy of the system will be, [10-Apr-2023 shift 2]

A thin infinite sheet charge and an infinite line charge of respective charge densities and are placed parallel at distance from each other. Points ' ' and ' ' are at and perpendicular distances from

A disc is rolling without slipping on a surface. The radius of the disc is . At , the top most point on the disc is as shown in figure. When the disc completes half of its rotation, the displacement o

A particle of mass executes a simple harmonic motion under a periodic force x) N. The particle attains a maximum speed of during its oscillation. The amplitude of the motion is ________ . [29-Jan-2023

For three low density gases pressure versus temperature graphs are plotted while keeping them at constant volume, as shown in the figure.The temperature corresponding to the point ' ' is: [1-Feb-2023

In this figure the resistance of the coil of galvanometer is . The emf of the cell is . The ratio of potential difference across and is: [8-Apr-2023 shift 1]

In the figure given below. a block of mass placed on a frictionless table is connected with two springs having same spring constant . If the block is horizontally displaced through ' 'm then the numbe

In the network shown below, the charge accumulated in the capacitor in steady state will be : [13-Apr-2023 shift 2]

A projectile fired at to the ground is observed to be at same height at time and after projection, during its flight. The speed of projection of the projectile is _______ . Given ) [11-Apr-2023 shift

In an experiment to find emf of a cell using potentiometer, the length of null point for a cell of emf is found to be . If this cell is replaced by another cell of emf . the length-of null point incre

A body is released from a height equal to the radius (r) of the earth. The velocity of the body when it strikes the surface of the earth will be :(Given acceleration due to gravity on the earth.) [15-

If a solid sphere of mass and a disc of mass 4 have the same radius. Then the ratio of moment of inertia of the disc about a tangent in its plane to the moment of inertia of the sphere about its tange

Given below are two statements :Statement-I : An elevator can go up or down with uniform speed when its weight is balanced with the tension of its cable.Statement-II : Force exerted by the floor of an

Two wires each of radius and negligible mass, one made of steel and the other made of brass are loaded as shown in the figure. The elongation of the steel wire is ______ . [Young's modulus for steel a

A physical quantity is given as The percentage error in the measurement of and are and respectively. The percentage error in the measurement of quantity will be [10-Apr-2023 shift 1]

A point charge is moved from to in a uniform electric field of directed along positive -axis. If coordinates of and are , and respectively, the work done by electric field will be [29-Jan-2023 Shift 2

Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R. Assertion A : Two metallic spheres are charged to the same potential. One of them is hollow and an

The weight of a body on the earth is . Then weight of the body when taken to a depth half of the radius of the earth will be: [8-Apr-2023 shift 1]

The orbital angular momentum of a satellite is , when it is revolving in a circular orbit at height from earth surface. If the distance of satellite from the earth center is increased by eight times t

Two identical cells each of emf are connected in series across a resistance. An ideal voltmeter connected across resistance reads . The internal resistance of each cell is ________ . [11-Apr-2023 shif

The variation of kinetic energy of a particle executing simple harmonic motion with the displacement starting from mean position to extreme position (A) is given by [11-Apr-2023 shift 1]

If the gravitational field in the space is given as . Taking the reference point to be at with gravitational potential . Find the gravitational potential at in unit (Given, that ) [30-Jan-2023 Shift 1

Moment of inertia of a dise of mass and radius ' ' about any of its diameter is . The moment of inertia of this disc about an axis normal to the disc and passing through a point on its edge will be, .

A ball is thrown vertically upward with an initial velocity of . The ratio of velocity after and is . The value of is _______. {take, } [12-Apr-2023 shift 1]

As shown in the figure, a network of resistors is connected to a battery of with an internal resistance of . The currents through the resistors and are and respectively. The values of and are : [24-Ja

A stream of a positively charged particles having and velocity is deflected by an electric field . The electric field exists in a region of along direction. Due to the electric field, the deflection o

Young's moduli of the material of wires and are in the ratio of , while its area of cross sections are in the ratio of . If the same amount of load is applied to both the wires, the amount of elongati

The velocity of a particle executing SHM varies with displacement as . The time period of oscillations is . The value of is _______. [30-Jan-2023 Shift 2]

For a body projected at an angle with the horizontal from the ground, choose the correct statement. [1-Feb-2023 Shift 2]

A thermodynamic system is taken through cyclic process. The total work done in the process is : [15-Apr-2023 shift 1]

If the earth suddenly shrinks to th of its original volume with its mass remaining the same, the period of rotation of earth becomes . The value of is _______. [10-Apr-2023 shift 1]

A faulty thermometer reads in melting ice and in steam. The correct temperature on absolute scale will be ________ . when the faulty thermometer reads . [30-Jan-2023 Shift 2]

The rms speed of oxygen molecule in a vessel at particular temperature is , where is the average speed of the molecule. The value of will be: (Take ) [13-Apr-2023 shift 1]

A body of mass is moving with an initial speed of . The body stops after due to friction between body and the floor. The value of the coefficient of friction is: (Take acceleration due to gravity ) [3

A body of mass is taken from earth surface to the height equal to twice the radius of earth , the increase in potential energy will be : ( acceleration due to gravity on the surface of Earth) [25-Jan-

The Thermodynamic process, in which internal energy of the system remains constant is [11-Apr-2023 shift 2]

In an experiment with sonometer when a mass of is attached to the string, it vibrates with fundamental frequency of . When a mass is attached, the string vibrates with fundamental frequency of . The v

Three concentric spherical metallic shells and of radius and respectively have surface charge densities and , respectively. The shells and are at same potential. If the radii of & are and , respective

A flask contains Hydrogen and Argon in the ratio by mass. The temperature of the mixture is . The ratio of average kinetic energy per molecule of the two gases ( argon/ hydrogen) is :(Given : Atomic W

Three vessels of equal volume contain gases at the same temperature and pressure. The first vessel contains neon (monoatomic), the second contains chlorine (diatomic) and third contains uranium hexafl

Given below are two statements :Statements I : The temperature of a gas is . When the gas is heated to , the root mean square speed of the molecules is doubled.Statement II : The product of pressure a

As per the given figure, a small ball P slides down the quadrant of a circle and hits the other ball of equal mass which is initially at rest. Neglecting the effect of friction and assume the collisio

A car is moving on a horizontal curved road with radius . The approximate maximum speed of car will be, if friction between tyres and road is 0.34. Take [29-Jan-2023 Shift 1]

A steel rod has a radius of and a length of . A force of stretches it along its length. Young's modulus of steel is . The longitudinal strain produced in the wire is ________ (25) [6-Apr-2023 shift 1]

When two resistance and connected in series and introduced into the left gap of a meter bridge and a resistance of is introduced into the right gap, a null point is found at from left side. When and a

Given below are two statements:Statement I : If be the total energy of a satellite moving around the earth, then its potential energy will be Statement II : The kinetic energy of a satellite revolving

A car is moving with a constant speed of 20 in a circular horizontal track of radius 40 . A bob is suspended from the roof of the car by a massless string. The angle made by the string with the vertic

A block of mass is placed at rest on a table of rough surface. Now, if a force of is applied in the direction parallel to surface of the table, the block slides through a distance of in an interval of

The range of the projectile projected at an angle of with horizontal is . If the projectile is projected with same velocity at an angle of with horizontal, then its range will be [10-Apr-2023 shift 1]

Which of the following correctly represents the variation of electric potential (V) of a charged spherical conductor of radius (R) with radial distance (r) from the centre? [31-Jan-2023 Shift 1]

The time period of a satellite, revolving above earth's surface at a height equal to will be (Given radius of earth) [10-Apr-2023 shift 2]

A force acts on a particle in the direction where is in newton and is in meter. The work done by this force during a displacement from to , is ________ mJ. [11-Apr-2023 shift 1]

A parallel plate capacitor with plate area and plate separation is filed with a dielectric material of dielectric constant . The thickness of the dielectric material is , where .Let and be the capacit

Two projectiles A and B are thrown with initial velocities of and at angles and with the horizontal respectively. The ratio of their ranges respectively is [8-Apr-2023 shift 1]

Match List I with List II : List-I (PhysicalQuantity) List-II (Dimensional Formula) A Pressure gradient I B Energy density II C Electric Field III D Latent heat IV Choose the correct answer from the o

In a metallic conductor, under the effect of applied electric field, the free electrons of the conductor [10-Apr-2023 shift 2]

A vehicle of mass is moving along a levelled curved road of radius with angular velocity of 0.2 . The centripetal force acting on the vehicle is: [13-Apr-2023 shift 2]

A solid sphere is rolling on a horizontal plane without slipping. If the ratio of angular momentum about axis of rotation of the sphere to the total energy of moving sphere is the, the value of its an

The equivalent resistance of the circuit shown below between points a and is : [10-Apr-2023 shift 1]

Two identical heater filaments are connected first in parallel and then in series. At the same applied voltage, the ratio of heat produced in same time for parallel to series will be : [11-Apr-2023 sh

Two resistances are given as and . The percentage error in the measurement of equivalent resistance when they are connected in parallel is - [6-Apr-2023 shift 1]

For a solid rod, the Young's modulus of elasticity is and density is . The velocity of longitudinal wave in the rod will be. [31-Jan-2023 Shift 2]

A hollow cylindrical conductor has length of , while its inner and outer diameters are and respectively. The resistance of the conductor is .If the resistivity of the material is . The value of is___

The speed of a swimmer is in still water. If the swimmer makes his strokes normal to the flow of river of width , he reaches a point down the stream on the opposite bank.The speed of the river water i

A small block of mass is tied to a spring of spring constant and length . The other end of spring is fixed at a particular point A. If the block moves in a circular path on a smooth horizontal surface

The root mean square velocity of molecules of gas is [25-Jan-2023 Shift 1]

If the potential difference between and is zero, the value of is . The value of is _______ [30-Jan-2023 Shift 2]

On a temperature scale ' ', the boiling point of water is and the freezing point is . Assume that the scale is linear. The equivalent temperature corresponding to on the Farenheit scale would be : [11

The acceleration due to gravity at height above the earth if (Radius of earth) is given by [8-Apr-2023 shift 2]

A planet having mass and radius , where and are mass and radius of earth respectively, has escape velocity in given by:(Given escape velocity on earth ) [13-Apr-2023 shift 1]

A person observes two moving trains, 'A' reaching the station and ' ' leaving the station with equal speed of . If both trains emit sounds with frequency , (Speed of sound : ) approximate difference o

A cylindrical wire of mass has length and radius . The maximum error in its density will be: [8-Apr-2023 shift 1]

Two cells are connected between points and as shown. Cell 1 has emf of and internal resistance of . Cell 2 has emf of and internal resistance of . An external resistor of is connected across and . The

The fundamental frequency of vibration of a string stretched between two rigid support is . The mass of the string is and its linear mass density is . The speed of the transverse waves so produced in

Electric field in a certain region is given by . The SI unit of and are : [30-Jan-2023 Shift 1]

An electron revolves around an infinite cylindrical wire having uniform linear charge density in circular path under the influence of attractive electrostatic field as shown in the figure. The velocit

From the graph shown, the ratio of distance to displacement in of motion is: [11-Apr-2023 shift 1]

A metal block of base area is placed on a table, as shown in figure. A liquid film of thickness is inserted between the block and the table. The block is pushed by a horizontal force of and moves with

A uniform disc of mass and radius is projected with velocity at on a rough horizontal surface. It starts off with a purely sliding motion at . After it acquires a purely rolling motion (see figure). T

The equation of a circle is given by , where a is the radius. If the equation is modified to change the origin other than , then find out the correct dimensions of and in a new equation: .The dimensio

As shown in the figure, the voltmeter reads across resistor. The resistance of the voltmeter is ________ . [6-Apr-2023 shift 2]

Which graph represents the difference between total energy and potential energy of a particle executing SHM vs it's distance from mean position? [13-Apr-2023 shift 1]

Match List I with List II : List I List II A. IsothermalProcess I. Work done by the gas decreases internal energy B. Adiabatic Process II. No change in internal energy C. Isochoric Process III. The he

Two isolated metallic solid spheres of radii and are charged such that both have same charge density . The spheres are then connected by a thin conducting wire. If the new charge density of the bigger

Given below are two statements : one is labelled as Assertion and the other is labelled as Reason R.Assertion A : Earth has atmosphere whereas moon doesn't have any atmosphere.Reason R : The escape ve

Eight equal drops of water are falling through air with a steady speed of . If the drops collapse, the new velocity is :- [11-Apr-2023 shift 2]

If is the gravitational potential due to sphere of uniform density on it's surface, then it's value at the center of sphere will be:- [11-Apr-2023 shift 2]

A particle of mass moves in a straight line with retardation , where is the displacement in SI units. Its loss of kinetic energy for above displacement is J. The value of will be ________ [6-Apr-2023

A simple pendulum with length and bob of mass is executing S.H.M. of amplitude . The maximum tension in the string is found to be . The value of is _______. [6-Apr-2023 shift 2]

As shown in the figure a block of mass lying on a horizontal surface is pulled by a force acting at an angle , with horizontal. For , the block will just start to move for the value of : [Given ] [1-F

The number of air molecules per increased from to . The ratio of collision frequency of air molecules before and after the increase in the number respectively is: [6-Apr-2023 shift 1]

A solid sphere of mass rolls without slipping on a plane surface. Its kinetic energy is . The speed of the centre of mass of the sphere is _______ . [31-Jan-2023 Shift 1]

The distance travelled by a particle is related to time as . The velocity of the particle at is. [25-Jan-2023 Shift 2]

Given below are two statements :Statements I : Pressure in a reservoir of water is same at all points at the same level of water.Statements II : The pressure applied to enclosed water is transmitted i

A metal block of mass is suspended from a rigid support through a metal wire of diameter . The tensile stress developed in the wire under equilibrium state is . The value of mass is _______ . (Take, a

For the given circuit, in the steady state, [31-Jan-2023 Shift 2]

A child stands on the edge of the cliff above the ground and throws a stone horizontally with an initial speed of . Neglecting the air resistance, the speed with which the stone hits the ground will b

A wire of density is stretched between two clamps apart. The extension developed in the wire is . If , the fundamental frequency of vibration in the wire will be ________ Hz. [11-Apr-2023 shift 2]

27. The distance between two consecutive points with phase difference of in a wave of frequency is . The velocity with which wave is traveling is ________ [25-Jan-2023 Shift 1]

A thin uniform rod of length . cross sectional area ' ' and density ' ' is rotated about an axis passing through the centre and perpendicular to its length with angular velocity . If value of in terms

A steel rod of length and cross sectional area is heated from to without being allowed to extend or bend. The compressive tension produced in the rod is ________ of steel , coefficient of linear expan

A force of acts on the origin of the coordinate system. The torque about the point is , The ratio of is . The value of is _______. [10-Apr-2023 shift 2]

Choose the correct length versus square of time period graph for a simple pendulum executing simple harmonic motion. [1-Feb-2023 Shift 2]

The current flowing through is: [11-Apr-2023 shift 2]

A particle executes S.H.M. of amplitude A along -axis. At , the position of the particle is and it moves along positives -axis. The displacement of particle in time is , then the value will be [10-Apr

Two plates A and B have thermal conductivities and respectively. They have same surface area and same thickness. They are placed in contact along their surfaces. If the temperatures of the outer surfa

The weight of a body at the surface of earth is 18 . The weight of the body at an altitude of 3200 above the earth's surface is (given, radius of earth ) [24-Jan-2023 Shift 1]

Given below are two statements: one is labelled as Assertion and the other is labelled as Reason . Assertion A: A pendulum clock when taken to Mount Everest becomes fast. Reason R: The value of g (acc

The trajectory of projectile, projected from the ground is given by . Where and are measured in meter. The maximum height attained by the projectile will be. [8-Apr-2023 shift 2]

Two projectiles are projected at and with the horizontal the same speed. The ratio of the maximum height attained by the two projectiles respectively is: [10-Apr-2023 shift 2]

For a rolling spherical shell, the ratio of rotational kinetic energy and total kinetic energy is . The value of is ______. [12-Apr-2023 shift 1]

A particle of mass is projected at time with a speed at an angle to the horizontal as given in the figure. The magnitude of the angular momentum of the particle about the starting point at time is fou

Surface tension of a soap bubble is .Work done to increase the radius of soap bubblefrom to will be : [Take ] [29-Jan-2023 Shift 1]

As shown in figure, a cuboid lies in a region with electric field . The magnitude of charge within the cuboid is . The value of is ________ (if dimension of cuboid is ) [30-Jan-2023 Shift 2]

For particle revolving round the centre with radius of circular path and angular velocity , as shown in below figure, the projection of on the -axis at time is [8-Apr-2023 shift 2]

A body of mass is moving with a velocity of . Its kinetic energy will be [13-Apr-2023 shift 1]

Work done by a Carnot engine operating between temperatures and is . The amount of heat transferred to the engine by the reservoir is: [8-Apr-2023 shift 2]

Three forces are acting on a particle of mass . The forces and are applied perpendicularly so that particle remains at rest. If the force is removed, then the acceleration of the particle is : [12-Apr

The length of a wire becomes and when and tensions are applied respectively. If , the natural length of wire will be . Here the value of is ________. [11-Apr-2023 shift 1]

A stone tied to long string at its end is making 28 revolutions in horizontal circle in every minute. The magnitude of acceleration of stone is . The value of ________. [30-Jan-2023 Shift 2]

Heat is given to an ideal gas in an isothermal process.A. Internal energy of the gas will decrease.B. Internal energy of the gas will increase.C. Internal energy of the gas will not change.D. The gas

A block of mass is attached with two identical springs of spring constant each. The block is placed on a frictionless surface and the ends of the springs are attached to rigid supports (see figure). W

A block of is attached to a string whose other end is attached to the wall. An unknown force is applied so that the string makes an angle of with the wall. The tension is : Given [30-Jan-2023 Shift 2]

An object of mass ' ' initially at rest on a smooth horizontal plane starts moving under the action of force . In the process of its linear motion, the angle (as shown in figure) between the direction

If earth has a mass nine times and radius twice to the of a planet . Then will be the minimum velocity required by a rocket to pull out of gravitational force of , where is escape velocity on earth. T

The amplitude of a particle executing SHM is 3 . The displacement at which its kinetic energy will be more than the potential energy is:_______ cm. [1-Feb-2023 Shift 1]

A horse rider covers half the distance with speed. The remaining part of the distance was travelled with speed for half the time and with speed for other half of the time. The mean speed of the rider

Given below are two statements. One is labelled as Assertion and the other is labelled as Reason R. Assertion : If and represent the heat supplied to the system and the work done on the system respect

A small ball of mass and density is dropped in a viscous liquid of density . After some time, the ball falls with a constant velocity. What is the viscous force on the ball? [6-Apr-2023 shift 1]

The surface of water in a water tank of cross section area on the top of a house is . above the tap level. The speed of water coming out through the tap of cross section area is . At that instant, is

If 1000 droplets of water of surface tension . having same radius each, combine to from a single drop. In the process the released surface energy is- Take [31-Jan-2023 Shift 1]

The temperature of an ideal gas is increased from to . If r.m.s. speed of gas at is . Then, r.m.s. speed of the gas at will be: [6-Apr-2023 shift 2]

In the given figure the total charge stored in the combination of capacitors is . The value of ' ' is ________ [15-Apr-2023 shift 1]

The moment of inertia of a semicircular ring about an axis, passing through the center and perpendicular to the plane of ring, is , where is the radius and is the mass of the semicircular ring. The va

Two parallel plate capacitors and each having capacitance of are individually charged by a D.C. source. Capacitor is kept connected to the source and a dielectric slab is inserted between it plates. C

The electric field due to a short electric dipole at a large distance (r) from center of dipole on the equatorial plane varies with distance as : [15-Apr-2023 shift 1]

Two objects are projected with same velocity 'u' however at different angles and with the horizontal. If , the ratio of horizontal range of the first object to the object will be : [25-Jan-2023 Shift

A capacitor has capacitance when it's parallel plates are separated by air medium of thickness . A slab of material of dielectric constant having area equal to that of plates but thickness is inserted

Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R Assertion A : If an electric dipole of dipole moment is enclosed by a closed surface, the net flux

Given below are two statements : one is labelled as Assertion and then other is labelled as Reason Assertion A : An electric fan continues to rotate for some time after the current is switched off.Rea

The equivalent resistance between and of the network shown in figure: [1-Feb-2023 Shift 1]

A mass takes to reach ground when dropped from a certain height ' ' above surface of earth. The loss of potential energy in the last second of fall is J. [Take ] [29-Jan-2023 Shift 1]

A force acts on a particle in the direction, where is newton and is in meter. The work done by the force during a displacement from to is _______ j. [1-Feb-2023 Shift 2]

A student is provided with a variable voltage source , a test resistor , two identical galvanometers and and two additional resistors, and . For conducting an experiment to verify ohm's law, the most

A block of mass slides down the plane inclined at angle with an acceleration . The value of coefficient of kinetic friction will be : [29-Jan-2023 Shift 1]

A body of mass is moving with a momentum of . Now a force of acts on the body in the direction of its motion for . The increase in the Kinetic energy of the body is _______ J. [8-Apr-2023 shift 2]

A train blowing a whistle of frequency approaches an observer standing on the platform at a speed of . The frequency observed by the observer will be (given speed of sound ) ________ . [25-Jan-2023 Sh

A sample of gas at temperature is adiabatically expanded to double its volume. The work done by the gas in the process is given, : [1-Feb-2023 Shift 1]

An organ pipe long is open at both ends. The speed of sound in air is . The frequency of the second harmonic is ________ . [8-Apr-2023 shift 1]

Assume that the earth is a solid sphere of uniform density and a tunnel is dug along its diameter throughout the earth. It is found that when a particle is released in this tunnel, it executes a simpl

A car P travelling at sounds its horn at a frequency of . Another car is travelling behind the first car in the same direction with a velocity . The frequency heard by the passenger of the car is appr

Figure below shows a liquid being pushed out of the tube by a piston having area of cross section . The area of cross section at the outlet is . If the piston is pushed at a speed of , the speed of ou

A body of mass is initially at rest. It starts moving unidirectionally under the influence of a source of constant power P. Its displacement in is . The value of will be _______ [30-Jan-2023 Shift 2]

A solid cylinder is released from rest from the top of an inclined plane of inclination and length . If the cylinder rolls without slipping, its speed upon reaching the bottom of the inclined plane is

A tennis ball is dropped on to the floor from a height of . It rebounds to a height . Ball comes in contact with the floor for . The average acceleration during contact is _______ .[Given ] [29-Jan-20

Given below are two statements : one is labelled as Assertion and the other is labelled as Reason .Assertion A : When a body is projected at an angle , it's range is maximum.Reason : For maximum range

As per given figure, a weightless pulley is attached on a double inclined frictionless surface. The tension in the string (massless) will be (if ) [24-Jan-2023 Shift 1]

In the circuit shown, the energy stored in the capacitor is . The value of is [13-Apr-2023 shift 2]

Two satellites of masses and revolve around the earth in circular orbits of radii respectively. The ratio of orbital speeds of the satellites respectively is [10-Apr-2023 shift 1]

is the time period of simple pendulum on the earth's surface. Its time period becomes x when taken to a height (equal to earth's radius) above the earth's surface. Then, the value of will be: [25-Jan-

The positon-time graphs for two students and B returning from the school to their homes are shown in figure.(A) A lives closer to the school(B) B lives closer to the school(C) A takes lesser time to r

Two identical cells, when connected either in parallel or in series gives same current in an external resistance . The internal resistance of each cell will be ________ . [31-Jan-2023 Shift 1]

Expression for an electric field is given by . The electric flux through the cube of side when placed in electric field (as shown in the figure) is ________ . [31-Jan-2023 Shift 1]

A bowl filled with very hot soup cools from to in 2 minutes when the room temperature is . How long it will take to cool from to ? [25-Jan-2023 Shift 1]

The pressure of a gas changes linearly with volume from A to B as shown in figure. If no heat is supplied to or extracted from the gas then change in the internal energy of the gas will be [31-Jan-202

The equation of wave is given by where and are in and in . The speed of the wave is ________ . [11-Apr-2023 shift 1]

Two discs of same mass and different radii are made of different materials such that their thicknesses are and respectively. The densities of materials are in the ratio 3:5. The moment of inertia of t

Match List I with List II List - I List - II A. Surface tension I. B. Pressure II. C. Viscosity III. D. Impulse IV. Choose the correct answer from the options given below : [25-Jan-2023 Shift 1]

Ratio of thermal energy released in two resistor and 3R connected in parallel in an electric circuit is : [29-Jan-2023 Shift 1]

In an experiment with vernier calipers of least count , when two jaws are joined together the zero of vernier scale lies right to the zero of the main scale and division of vernier scale coincides wit

Two bodies are projected from ground with same speeds at two different angles with respect to horizontal. The bodies were found to have same range. If one of the body was projected at an angle of , wi

A cubical volume is bounded by the surfaces . The electric field in the region is given by . Where . If , the charge contained in the cubical volume is . The value of is ______.Take ) [1-Feb-2023 Shif

A ring and a solid sphere rotating about an axis passing trough their centers have same radii of gyration. The axis of rotation is perpendicular to plane of ring. The ratio of radius of ring to that o

A particle starts with an initial velocity of along x-direction and accelerates uniformly at the rate of . The time taken by the particle to reach the velocity of is [6-Apr-2023 shift 2]

An air bubble of volume rises from the bottom of a lake deep to the surface at a temperature of . The atmospheric pressure is , the density of water is and . There is no difference of the temperature

The engine of a train moving with speed towards a platform sounds a whistle at frequency . The frequency heard by a passenger inside the train is : (neglect air speed. Speed of sound in air ) [8-Apr-2

A capacitor of capacitance is charge to a potential V. The flux of the electric field through a closed surface enclosing the positive plate of the capacitor is : [11-Apr-2023 shift 2]

Given below are two statements:Statement I : If heat is added to a system, its temperature must increase.Statement II : If positive work is done by a system in a thermodynamic process, its volume must

A force is applied to a steel wire ' ', rigidly clamped at one end. As a result elongation in the wire is . If same force is applied to another steel wire ' ' of double the length and a diameter times

10 resistors each of resistance can be connected in such as to get maximum and minimum equivalent resistance. The ratio of maximum and minimum equivalent resistance will be _______. [10-Apr-2023 shift

As shown in the figure, a configuration of two equal point charges is placed on an inclined plane. Mass of each point charge is . Assume that there is no friction between charge and plane. For the sys

A hollow spherical ball of uniform density rolls up a curved surface with an initial velocity (as shown in figure). Maximum height with respect to the initial position covered by it will be _______ ta

A particle executes simple harmonic motion between and . If time taken by particle to go from to is ; then time taken by particle in going from to is : [25-Jan-2023 Shift 2]

Two particles of equal mass ' ' move in a circle of radius ' ' under the action of their mutual gravitational attraction. The speed of each particle will be : [29-Jan-2023 Shift 1]

Given below are two statements :Statement I : For a planet, if the ratio of mass of the planet to its radius increases, the escape velocity from the planet also increases.Statement II : Escape velocit

Let be the uniform surface charge density of two infinite thin plane sheets shown in figure. Then the electric fields in three different region and are: [1-Feb-2023 Shift 1]

Figures (a), (b), (c) and (d) show variation of force with time.The impulse is highest in figure. [1-Feb-2023 Shift 2]

The Young's modulus of a steel wire of length and cross-sectional area , is . The wire is suspended from its support on a given planet. A block of mass is attached to the free end of the wire. The acc

A rectangular parallelepiped is measured as . If its specific resistance is , then the resistance between its tow opposite rectangular faces will be ________ [10-Apr-2023 shift 2]

Dimension of should be equal to [8-Apr-2023 shift 1]

The time period of a satellite of earth is 24 hours. If the separation between the earth and the satellite is decreased to one fourth of the previous value, then its new time period will become. [29-J

A hole is drilled in a metal sheet. At , the diameter of hole is . When the sheet is heated to , the change in the diameter of hole is . The value of will be __________if coefficient of linear expansi

The escape velocities of two planets A and B are in the ratio . If the ratio of their radii respectively is , then the ratio of acceleration due to gravity of planet A to the acceleration of gravity o

The time taken by an object to slide down rough inclined plane is times as it takes to slide down a perfectly smooth incline plane. The coefficient of kinetic friction between the object and the incli

Assuming the earth to be a sphere of uniform mass density, the weight of a body at a depth from the surface of earth, if its weight on the surface of earth is , will be : [10-Apr-2023 shift 1]

A body is dropped on ground from a height ' ' and after hitting the ground, it rebounds to a height ' '. If the ratio of velocities of the body just before and after hitting ground is 4 , then percent

A body of mass collides head on elastically with a stationary body of mass . After collision, the smaller body reverses its direction of motion and moves with a speed of . The initial speed of the sma

A closed circular tube of average radius , whose inner walls are rough, is kept in vertical plane. A block of mass just fit inside the tube. The speed of block is , when it is introduced at the top of

A person travels distance with velocity and then distance with velocity in the same direction. The average velocity of the person is , then the relation between and will be. [10-Apr-2023 shift 2]

In a linear Simple Harmonic Motion (SHM)(A) Restoring force is directly proportional to the displacement.(B) The acceleration and displacement are opposite in direction.(C) The velocity is maximum at

The length of a metallic wire is increased by and its area of cross section is reduced by . The percentage change in resistance of the metallic wire is ________ [6-Apr-2023 shift 1]

In a cuboid of dimension , a charge is placed at the centre of the surface ' ' having area of . The flux through the opposite surface to ' ' is given by [29-Jan-2023 Shift 1]

The distance travelled by an object in time is given by . The instantaneous speed of the object at will be : [13-Apr-2023 shift 2]

A network of four resistances is connected to battery, as shown in figure. The magnitude of voltage difference between the points A and B is ________ V. [15-Apr-2023 shift 1]

As shown in the figure, in an experiment to determine Young's modulus of a wire, the extension-load curve is plotted. The curve is a straight line passing through the origin and makes an angle of with

A solid sphere of mass is making pure rolling on a horizontal surface with kinetic energy . The velocity of centre of mass of the sphere will be _______ . [29-Jan-2023 Shift 1]

The current sensitivity of moving coil galvanometer is increased by .This increase is achieved only by changing in the number of turns of coils and area of cross section of the wire while keeping the

To maintain a speed of by a bus of mass on a plane rough road for distance, the work done by the engine of the bus will be _______ KJ. [The coefficient of fiction between tyre of bus and road is 0.04

Given below are two statements:Statements I : A truck and a car moving with same kinetic energy are brought to rest by applying breaks which provide equal retarding forces. Both come to rest in equal

The general displacement of a simple harmonic oscillator is . Let be its time period. The slope of its potential energy (U) - time (t) curve will be maximum when . The value of is _______. [30-Jan-202

Choose the correct relationship between Poisson ratio . bulk modulus and modulus of rigidity of a given solid object: [30-Jan-2023 Shift 1]

For a certain organ pipe, the first three resonance frequencies are in the ratio of respectively. If the frequency of fifth harmonic is and the speed of sound in air is the length of the organ pipe is

A transverse harmonic wave on a string is given by where and are in and in sec. The wave velocity is _______ . [10-Apr-2023 shift 1]

The initial speed of a projectile fired from ground is . At the highest point during its motion, the speed of projectile is . The time of flight of the projectile is: [31-Jan-2023 Shift 1]

Match List I with List II : List I List II (A) 3 Translational degrees of freedom (I) Monoatomic gases (B) 3 Translational, 2 rotational degrees of freedoms (II) Polyatomic gases (C) 3 Translational,

A mass is attached to two strings as shown in figure. The spring constants of two springs are and . For the frictionless surface, the time period of oscillation of mass is [6-Apr-2023 shift 1]

The temperature at which the kinetic energy of oxygen molecules becomes double than its value at is [8-Apr-2023 shift 2]

A bullet of mass moving horizontally with speed hits a wooden block of mass kept on a horizontal rough surface. The bullet gets embedded into the block and moves before coming to rest. The coefficient

An object of mass is hanging from one end of a uniform rod of mass and length pivoted at its end on a vertical wall as shown in figure. It is supported by a cable such that the system is in equilibriu

If the r. . s speed of chlorine molecule is at , the speed of argon molecules at the same temperature will be (Atomic mass of argon , molecular mass of chlorine ) [12-Apr-2023 shift 1]

A wire of resistance is melted and drawn in a wire of one-fourth of its length. The new resistance of the wire will be [12-Apr-2023 shift 1]

A travelling wave is described by the equation The velocity of the wave is : [all the quantities are in SI unit] [24-Jan-2023 Shift 1]

A mass attached to free end of a spring executes SHM with a period of . If the mass is increased by the period of oscillation increases by one second, the value of mass is ___ . [24-Jan-2023 Shift 2]

A car travels a distance of ' ' with speed and then same distance ' ' with speed in the same direction. The average speed of the car is: [25-Jan-2023 Shift 1]

A space ship of mass is launched into a circular orbit close to the earth surface. The additional velocity to be imparted to the space ship in the orbit to overcome the gravitational pull will be (if

Two planets and of radii and have densities and respectively. The ratio of acceleration due to gravity at the surface of to is : [13-Apr-2023 shift 2]

A point charge of is placed at the origin. At what location on the -axis should a point charge of be placed so that the net electric field is zero at on the -axis ? [25-Jan-2023 Shift 2]

Two identical solid spheres each of mass and radii are fixed at the ends of a light rod. The separation between the centres of the spheres is . The moment of inertia of the system about an axis perpen

A particle is executing simple harmonic motion (SHM). The ratio of potential energy and kinetic energy of the particle when its displacement is half of its amplitude will be [12-Apr-2023 shift 1]

In the given circuit, the equivalent resistance between the terminal and is_______ . [25-Jan-2023 Shift 1]

An air bubble of diameter rises steadily through a solution of density at the rate of . TGe co-efficient of viscosity of the solution (neglect density of air) is _______ Pas (given, ). [8-Apr-2023 shi

A projectile is projected at from horizontal with initial velocity . The velocity of the projectile at from the start will be :(Given ) [11-Apr-2023 shift 2]

Different combination of 3 resistors of equal resistance are shown in the figures. The increasing order for power dissipation is: [13-Apr-2023 shift 1]

The maximum potential energy of a block executing simple harmonic motion is 25 J. A is amplitude of oscillation. At A , the kinetic energy of the block is [31-Jan-2023 Shift 1]

The number density of free electrons in copper is nearly . A copper wire has its area of cross section and is carrying a current of . The drift speed of the electrons is ________ [8-Apr-2023 shift 2]

A uniform solid cylinder with radius and length has moment of inertia , about the axis of cylinder. A concentric solid cylinder of radius and length is caned out of the original cylinder. If is the mo

Consider a block kept on an inclined plane (inclined at ) as shown in the figure. If the force required to just push it up the incline is 2 times the force required to just prevent it from sliding dow

A light rope is wound around a hollow cylinder of mass and radius . The rope is pulled with a force of . The angular acceleration of the cylinder will be _______ . [13-Apr-2023 shift 2]

A parallel plate capacitor has plate area and plates separation . The space between the plates is filled with a dielectric medium of a thickness and dielectric constant 5 . The capacitance of the syst

The drift velocity of electrons for a conductor connected in an electrical circuit is . The conductor in now replaced by another conductor with same material and same length but double the area of cro

With the help of potentiometer, we can determine the value of emf of a given cell. The sensitivity of the potentiometer is(A) directly proportional to the length of the potentiometer wire(B) directly

As shown in the figure, a particle is moving with constant speed . Considering its motion from to , the magnitude of the average velocity is : [6-Apr-2023 shift 2]

A charge is divided into two parts and placed at distance so that the repulsive force between them is maximum. The charges of the two parts are: [13-Apr-2023 shift 2]

A child of mass is going round a merry-go-round that makes 1 rotation in . The radius of the merrygo-round is . The centrifugal force on the child will be [6-Apr-2023 shift 2]

Given below are two statements: one is labelled asAssertion A and the other is labelled as Reason Assertion A: Steel is used in the construction of buildings and bridges.Reason R: Steel is more elasti

A long wire having cross-sectional area and Young's modulus is is subjected to a load of , then the elongation in the wire will be : [24-Jan-2023 Shift 1]

For a simple harmonic motion in a mass spring system shown, the surface is frictionless. When the mass of the block is , the angular frequency is . When the mass block is the angular frequency is . Th

A bicycle tyre is filled with air having pressure of at . The approximate pressure of the air in the tyre when the temperature increases to is [29-Jan-2023 Shift 1]

A lift of mass is descending with speed of . Its supporting cable begins to slip thus allowing it to fall with a constant acceleration of . The kinetic energy of the lift at the end of fall through to

Solid sphere is rotating about an axis PQ. If the radius of the sphere is then its radius of gyration about PQ will be . The value of is___ [24-Jan-2023 Shift 1]

As shown in the figure, two parallel plate capacitors having equal plate area of are joined in such a way that . The equivalent capacitance of the combination is F. The value of is _______. [6-Apr-202

In an Isothermal change, the change in pressure and volume of a gas can be represented for three different temperature; as : [24-Jan-2023 Shift 2]

Glycerin of density is flowing through the conical section of pipe. The area of cross-section of the pipe at its ends are and and pressure drop across its length is . The rate of flow of glycerin thro

A particle is moving with constant speed in a circular path. When the particle turns by an angle , the ratio of instantaneous velocity to its average velocity is . The value of will be - [6-Apr-2023 s

A potential is applied across a uniform wire of resistance . The power dissipation is . The wire is then cut into two equal halves and a potential of is applied across the length of each half. The tot

Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason RAssertion A : A spherical body of radius having a particular density is falling through a liquid of

A current of through a wire of cross-sectional area . The number of free electrons in a cubic meter are . The drift velocity of the electrons is _______ (given, charge on electron ). [8-Apr-2023 shift

A spherical body of mass starting from rest acquires a kinetic energy of at the end of second. The force acted on the body is ___ . [24-Jan-2023 Shift 1]

Equivalent resistance between the adjacent corners of a regular -sided polygon of uniform wire of resistance would be: [1-Feb-2023 Shift 2]

A body weight , is projected vertically upwards from earth's surface to reach a height above the earth which is equal to nine times the radius of earth. The weight of the body at that height will be:

A cell of emf is connected across series combination of two resistors each of resistance. A voltmeter of resistance is used to measure the potential difference across each resistor. The reading of the

Figure shows a part of an electric circuit. The potentials at points and are and respectively. The current through the resistor will be [6-Apr-2023 shift 2]

The position of a particle related to time is given by . The magnitude of velocity of the particle at will be : [15-Apr-2023 shift 1]

A certain pressure is applied to 1 litre of water and 2 litre of a liquid separately. Water gets compressed to whereas the liquid gets compressed to . The ratio of Bulk modulus of water to that of the

is moment of inertia of a circular disc about an axis (CM) passing through its center and perpendicular to the plane of disc. is it's moment of inertia about an axis perpendicular to plane and paralle

Given below are two statements :Statement I: The equivalent resistance of resistors in a series combination is smaller than least resistance used in the combination.Statement II: The resistivity of th

A guitar string of length vibrates with a fundamental frequency of . The length of the string producing a fundamental frequency of will be ________ . [8-Apr-2023 shift 2]

A body cools from to in 5 minutes. The temperature of the surrounding is . The time it takes to cool from to is: [12-Apr-2023 shift 1]

Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R. Assertion A : Efficiency of a reversible heat engine will be highest at temperature of cold reser

A gas is compressed adiabatically, which one of the following statement is NOT true. [10-Apr-2023 shift 2]

A vehicle travels with speed of and another with speed of , then its average speed is: [30-Jan-2023 Shift 2]

A solid sphere of mass and radius is rotated about one of its diameter with angular speed of . If the moment of inertia of the sphere about its tangent is times its angular momentum about the diameter

For designing a voltmeter of range and an ammeter of range using a galvanometer which has a coil of resistance showing a full scale deflection for as in figure.(A) for voltmeter (B) for ammeter (C) fo

An electric dipole of dipole moment is placed in a uniform electric field of in such a way that dipole moment is along electric field. The work done in rotating dipole by in this field will be _______

A stone of mass is tied to end of a massless string of length . If the breaking tension of the string is , then maximum linear velocity, the stone can have without breaking the string, while rotating

At a given point of time the value of displacement of a simple harmonic oscillator is given as . If amplitude is and kinetic energy at that time is , the value of force constant is . The value of is _

Electric potential at a point ' ' due to a point charge of is . The distance of ' ' from the point charge is:(Assume, ) [8-Apr-2023 shift 2]

Match List I with List II List List II A. Young's Modulus (Y) I. B. Co-efficient of Viscosity II. C. Planck's Constant (h) III. D. Work Function IV. Choose the correct answer from the options given be

Choose the correct answer from the options given below: [30-Jan-2023 Shift 1]

Let be the ratio of molar specific heat at constant pressure and molar specific heat at constant volume of a monoatomic gas and be the similar ratio of diatomic gas. Considering the diatomic gas molec

A body of mass begins to move under the action of a time dependent force . where and are the unit vectors along and axis. The power developed by above force, at the time . will be____ W. [24-Jan-2023

Two satellites A and B move round the earth in the same orbit. The mass of A is twice the mass of B. The quantity which is same for the two satellites will be [12-Apr-2023 shift 1]

Graphical variation of electric field due to a uniformly charged insulating solid sphere of radius , with distance from the centre is represented by: [8-Apr-2023 shift 1]

A car is moving on a circular path of radius such that the magnitudes of the tangential acceleration and centripetal acceleration are equal. The time taken by the car to complete first quarter of revo

A body is moving with constant speed, in a circle of radius . The body completes one revolution in . At the end of second, the displacement of body (in ) from its starting point is: [31-Jan-2023 Shift

A source supplies heat to a system at the rate of . If the system performs work at a rate of . The rate at which internal energy of the system increase is [6-Apr-2023 shift 1]

According to law of equipartition of energy the molar specific heat of a diatomic gas at constant volume where the molecule has one additional vibrational mode is :- [25-Jan-2023 Shift 2]

A solid sphere and a solid cylinder of same mass and radius are rolling on a horizontal surface without slipping. The ratio of their radius of gyrations respectively is . The value of is _______. [15-

Force acts for on a body of mass , starting from rest, after which the force ceases and then body describes in the next . The value of force will be : [29-Jan-2023 Shift 2]

of water at is converted into steam at by boiling at atmospheric pressure. The volume of water changes from as a liquid to as steam. The change in internal energy of the system during the process will

In the equation is pressure, is volume, is universal gas constant ant is temperature. The physical quantity equivalent to the ratio is : [13-Apr-2023 shift 2]

Heat energy of is given to a diatomic gas allowing the gas to expand at constant pressure. Each gas molecule rotates around an internal axis but do not oscillate. The increase in the internal energy o

A circular plate is rotating horizontal plane, about an axis passing through its center perpendicular to the plate, with an angular velocity . A person sits at the center having two dumbbells in his h

Given below are two statements :Statement-I: Acceleration due to gravity is different at different places on the surface of earth.Statement-II: Acceleration due to gravity increases as we go down belo

Given below are two statements:Statement I : Rotation of the earth shows effect on the value of acceleration due to gravity (g)Statement II : The effect of rotation of the earth on the value of ' ' at

A small particle moves to position from its initial position under the action of force . The value of work done will be ______ J. [1-Feb-2023 Shift 1]

The correct relation between and temperature is: [31-Jan-2023 Shift 1]

A fully loaded boeing aircraft has a mass of . Its total wing area is . It is in level flight with a speed of . If the density of air is , the fractional increase in the speed of the air on the upper

Heat energy of is given to ice of mass at , Specific heat of ice is and latent heat of ice in (A) Final temperature of system will be .(B) Final temperature of the system will be greater than .(C) The

The amount of thermal energy is developed by a resistor in when a current of is passed through it. If the current is increased to , the thermal energy developed by the resistor in will be: [31-Jan-202

A uniform electric field of is created between two parallel charged plates (as shown in figure). An electron enters the field symmetrically between the plates with a kinetic energy . The length of eac

An engine operating between the boiling and freezing points of water will haveA. efficiency more than B. efficiency less than the efficiency of a Carnot engine operating between the same two temperatu

If force (F), velocity (V) and time (T) are considered as fundamental physical quantity, then dimensional formula of density will be: [11-Apr-2023 shift 2]

An aluminium rod with Young's modulus undergoes elastic strain of . The energy per unit volume stored in the rod in SI unit is: [8-Apr-2023 shift 1]

The ratio of powers of two motors is , that are capable of raising water in 5 minutes and water in 2 minutes respectively from a well of deep. The value of will be [13-Apr-2023 shift 1]

In the following circuit, the magnitude of current , is ______ A. [30-Jan-2023 Shift 1]

A particle executes SHM of amplitude A. The distance from the mean position when its's kinetic energy becomes equal to its potential energy is : [13-Apr-2023 shift 2]

The mean free path of molecules of a certain gas at STP is , where is the diameter of the gas molecules. While maintaining the standard pressure, the mean free path of the molecules at is approximatel

The equivalent capacitance of the combination shown is [10-Apr-2023 shift 1]

In a metre bridge experiment the balance point in obtained if the gaps are closed by and . A shunt of is added to resistor to shift the balancing point by . The value of is _______ [29-Jan-2023 Shift

A body of mass moves along -axis such that it's velocity varies with displacement according to the relation the force acting on the body is:- [11-Apr-2023 shift 2]

A Carnot engine operating between two reservoirs has efficiency . When the temperature of cold reservoir raised by , its efficiency decreases to . The value of , if the temperature of hot reservoir is

LIST I LIST II A. Spring constant I. B. Angular speed II. C. Angular momentum III. D. Moment of Inertia IV. Choose the correct answer from the options given below : [12-Apr-2023 shift 1]

The height of liquid column raised in a capillary tube of certain radius when dipped in liquid A vertically is, . If the tube is dipped in a similar manner in another liquid of surface tension and den

At , the rms speed of oxygen molecules is times to that of its average speed in the gas. Then, the value of will be (used ) [29-Jan-2023 Shift 2]

The electric potential at the centre of two concentric half rings of radii and , having same linear charge density is [24-Jan-2023 Shift 2]

Two bodies are having kinetic energies in the ratio . If they have same linear momentum, the ratio of their masses respectively is: [13-Apr-2023 shift 1]

A coin placed on a rotating table just slips when it is placed at a distance of from the center. If the angular velocity of the table in halved, it will just slip when placed at a distance of _______

A stone is projected at angle to the horizontal. The ratio of kinetic energy of the stone at point of projection to its kinetic energy at the highest point of flight will be : [29-Jan-2023 Shift 1]

A Spherical ball of radius and density is dropped in glycerine of coefficient of viscosity poise and density . Viscous force on the ball when it attains constant velocity is . The value of is(Given, a

A block of mass starting from rest pulled up on a smooth incline plane making an angle of with horizontal with an affective acceleration of . The power delivered by the pulling force at from the start

The charge flowing in a conductor changes with time as . Where and are constants. Minimum value of current is : [30-Jan-2023 Shift 1]

Two simple harmonic waves having equal amplitudes of and equal frequency of are moving along the same direction. The resultant amplitude is also . The phase difference between the individual waves is

The ratio of speed of sound in hydrogen gas to the speed of sound in oxygen gas at the same temperature is : [6-Apr-2023 shift 2]

A mercury drop of radius is broken into 125 equal size droplets. Surface tension of mercury is . The gain in surface energy is: [1-Feb-2023 Shift 1]

The position vector of a particle related to time is given by The direction of net force experienced by the particle is : [15-Apr-2023 shift 1]

A steel wire with mass per unit length is under tension of . The speed of transverse waves in the wire will be: [1-Feb-2023 Shift 1]

When a resistance of is shunted with a moving coil galvanometer, it shows a full scale deflection for a current of , however when resistance is connected with it in series, it gives full scale deflect

The speed of a wave produced in water is given by . Where and are wavelength of wave, acceleration due to gravity and density of water respectively. The values of and respectively, are : [15-Apr-2023

The root mean square speed of molecules of nitrogen gas at is approximately : (Given mass of a nitrogen molecule and take Boltzmann constant ) [11-Apr-2023 shift 2]

represents the equation of state of some gases. Where is the pressure, is the volume, is the temperature and are the constants. The physical quantity, which has dimensional formula as that of , will b

An object is allowed to fall from a height above the earth, where is the radius of earth. Its velocity when it strikes the earth's surface, ignoring air resistance, will be : [30-Jan-2023 Shift 2]

Three point charges and are placed on -axis at a distance and respectively from origin as shown. If and , the magnitude of net force experienced by the charge is _______ N. [13-Apr-2023 shift 2]

In the given circuit the value of is: [1-Feb-2023 Shift 2]

The displacement equations of two interfering waves are given by The amplitude of the resultant wave is ____ . [31-Jan-2023 Shift 2]

An object moves with speed , and along a line segment and respectively as shown in figure. Where and , then average speed of the object will be : [1-Feb-2023 Shift 1]

A spherical drop of liquid splits into 1000 identical spherical drops. If is the surface energy of the original drop and is the total surface energy of the resulting drops, the (ignoring evaporation).

Match List-I with List-II. List-I List-II A. Angular momentum I. B. Torque II. C. Stress III. D. Pressure gradient IV. Choose the correct answer from the options given below: [31-Jan-2023 Shift 2]

The initial pressure and volume of an ideal gas are and . The final pressure of the gas when the gas is suddenly compressed to volume will be :(Given ratio of specific heats at constant pressure and a

As shown in the figure, a point charge is placed at the centre of conducting spherical shell of inner radius and outer radius . The electric field due to charge Q in three different regions I, II and

A uniform metallic wire carries a current . when battery is connected across it. The mass of uniform metallic wire is . density is and resistivity is . The length of wire is : [25-Jan-2023 Shift 1]

A hydraulic automobile lift is designed to lift vehicles of mass . The area of cross section of the cylinder carrying the load is . The maximum pressure the smaller piston would have to bear is [Assum

The pressure and temperature relationship of an ideal gas obeys the equation constant. The volume expansion coefficient of the gas will be: [30-Jan-2023 Shift 1]

The current flowing through a conductor connected across a source is and at and respectively. The current flowing through the conductor at will be ______ [12-Apr-2023 shift 1]

Identify the correct statements from the following:(A) Work done by a man in lifting a bucket out of a well by means of a rope tied to the bucket is negative.(B) Work done by gravitational force in li

For a charged spherical ball, electrostatic potential inside the ball varies with as .Here, and are constant and is the distance from the center. The volume charge density inside the ball is . The val

The number of turns of the coil of a moving coil galvanometer is increased in order to increase current sensitivity by . The percentage change in voltage sensitivity of the galvanometer will be: [31-J

A body cools in 7 minutes from to . The temperature of the surrounding is . The temperature of the body after the next 7 minutes [6-Apr-2023 shift 2]

At a certain depth "d" below surface of earth. value of acceleration due to gravity becomes four times that of its value at a height above earth surface. Where is Radius of earth (Take ). The depth is

For a uniformly charged thin spherical shell, the electric potential radially away from the entre of shell can be graphically represented as - [6-Apr-2023 shift 1]

64 identical drops each charged upto potential of are combined to form a bigger drop. The potential of the bigger drop will be _______ . [12-Apr-2023 shift 1]

Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R.Assertion A : For measuring the potential difference across a resistance of , the voltmeter with re

A parallel plate capacitor of capacitance is charged to a potential , The energy stored in the capacitor is . The capacitor is now connected to another uncharged identical capacitor in parallel combin

A dipole comprises of two charged particles of identical magnitude and opposite in nature. The mass ' ' of the positive charged particle is half of the mass of the negative charged particle. The two c

Under isothermal condition, the pressure of a gas is given by , where is a constant and is the volume of the gas. The bulk modulus at constant temperature is equal to [13-Apr-2023 shift 1]

A Carnot engine with efficiency takes heat from a source at . In order to increase the efficiency to , keeping the temperature of sink same, the new temperature of the source will be : [25-Jan-2023 Sh

Give below are two statementsStatement I : Area under velocity- time graph gives the distance travelled by the body in a given time.Statement II : Area under acceleration- time graph is equal to the c

The elastic potential energy stored in a steel wire of length stretched through is . The cross sectional area of the wire is ________ Given, ) . [13-Apr-2023 shift 1]

A block is fastened to a horizontal spring. The block is pulled to a distance from its equilibrium position (at ) on a frictionless surface from rest. The energy of the block at is . The spring consta

Given below are two statements :Statements I : Astronomical unit , Parsec and Light year (ly) are units for measuring astronomical distances.Statements II : Parsec lyIn the light of the above statemen

In the given circuit, , The charge stored on capacitor is ________ . [11-Apr-2023 shift 2]

The radii of two planets 'A' and 'B' are 'R' and '4R' and their densities are and respectively. The ratio of acceleration due to gravity at their surfaces will be : [11-Apr-2023 shift 1]

The frequency of an oscillating liquid drop may depend upon radius (r) of the drop, density of liquid and the surface tension (s) of the liquid as : . The values of and respectively are [24-Jan-2023 S

A rectangular block of mass attached to a horizontal spiral spring executes simple harmonic motion of amplitude and time period . The maximum force exerted by spring on block is ________ N. [10-Apr-20

Two identical particles each of mass ' ' go round a circle of radius a under the action of their mutual gravitational attraction. The angular speed of each particle will be : [15-Apr-2023 shift 1]

A block of mass is moving along -axis under the action of force . The work done by the force in moving the block from to will be _______ J. [15-Apr-2023 shift 1]

Choose the incorrect statement from the following : [6-Apr-2023 shift 2]

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason RAssertion A : When you squeeze one end of a tube to get toothpaste out from the other end. Pascal's

A planet has double the mass of the earth. Its average density is equal to that of the earth. An object weighing on earth will weigh on that planet: [6-Apr-2023 shift 1]

A car accelerates from rest to . The energy spent in this process is . The energy required to accelerate the car from to is . The value of is _______. [13-Apr-2023 shift 2]

Consider two containers A and B containing monoatomic gases at the same Pressure (P), Volume (V) and Temperature (T). The gas in A is compressed isothermally to of its original volume while the gas in

The equivalent resistance between and is [30-Jan-2023 Shift 2]

If a copper wire is stretched to increase its length by . The percentage increase in resistance of the wire is___ . [24-Jan-2023 Shift 2]

The graph between two temperature scales and is shown in the figure. Between upper fixed point and lower fixed point there are 150 equal divisions of scale and 100 divisions on scale . The relationshi

Match List I with List II LIST I LIST II A. Planck's constant (h) I. B. Stopping potential (Vs) II. C. Work function (Ø) III. D. Momentum (p) IV. [24-Jan-2023 Shift 1]

In a screw gauge, there are 100 divisions on the circular scale and the main scale moves by on a complete rotation of the circular scale. The zero of circular scale lies 6 divisions below the line of

A capacitor is charged by supply. It is then disconnected from the supply and is connected to another uncharged capacitor. Electrostatic energy lost in the process is _______ [8-Apr-2023 shift 2]

Two charges each of magnitude and separated by a distance of constitute an electric dipole. If the dipole is placed in an uniform electric field ' ' of 10 dyne/C making angle with , the magnitude of t

If two charges and are separated with distance ' ' and placed in a medium of dielectric constant . What will be the equivalent distance between charges in air for the same electrostatic force ? [24-Ja

The equivalent resistance between and as shown in figure is: [8-Apr-2023 shift 2]

The maximum vertical height to which a man can throw a ball is . The maximum horizontal distance upto which he can throw the same ball is [24-Jan-2023 Shift 1]

A parallel plate capacitor with air between the plate has a capacitance of . The separation between the plate becomes twice and the space between them is filled with a medium of dielectric constant 3.

A thin rod having a length of and area of cross-section is suspended vertically from one end. The rod is cooled from to . After cooling, a mass is attached at the lower end of the rod such that the le

There is an air bubble of radius in a liquid of surface tension and density at a depth of below the free surface. The amount by which the pressure inside the bubble is greater than the atmospheric pre

In the circuit diagram shown in figure given below, the current flowing through resistance is . The value of is ________ [11-Apr-2023 shift 1]

Given below are two statements:Statement I: Acceleration due to earth's gravity decreases as you go 'up' or 'down' from earth's surface.Statement II: Acceleration due to earth's gravity is same at a h

Every planet revolves around the sun in an elliptical orbit :A. The force acting on a planet is inversely proportional to square of distance from sun.B. Force acting on planet is inversely proportiona

A null point is found at in potentiometer when cell in secondary circuit is shunted by . When a resistance of is used for shunting null point moves to . The internal resistance of the cell is ______ .

The distance between two plates of a capacitor is and its capacitance is , when air is the medium between the plates. If a metal sheet of thickness and of the same area as plate is introduced between

Two trains 'A' and 'B' of length ' ' and ' ' are travelling into a tunnel of length ' ' in parallel tracks from opposite directions with velocities and , respectively. If train 'A' takes less time tha

At any instant the velocity of a particle of mass is . If the force acting on the particle at is . Then the value of will be: [8-Apr-2023 shift 1]

Match List I with List II LIST - I LIST - II A. Torque I. B. Stress II. C. Pressure gradient III. D. Coefficient of viscosity IV. Choose the correct answer from the options given below: [8-Apr-2023 sh

The ratio of escape velocity of a planet to the escape velocity of earth will be :-Given : Mass of the planet is 16 times mass of earth and radius of the planet is 4 times the radius of earth. [12-Apr

A passenger sitting in a train A moving at observes another train B moving in the opposite direction for . if the velocity of the train B is , then length of train B is : [13-Apr-2023 shift 2]

An object moves at a constant speed along a circular path in a horizontal plane with centre at the origin. When the object is at , its velocity is . The object's velocity (v) and acceleration (a) at w

A flask contains hydrogen and oxygen in the ratio of by mass at temperature . The ratio of average kinetic energy per molecule of hydrogen and oxygen respectively is : [30-Jan-2023 Shift 2]

For a train engine moving with speed of . the driver must apply brakes at a distance of before the station for the train to come to rest at the station. If the brakes were applied at half of this dist

If the velocity of light , universal gravitational constant and planck's constant are chosen as fundamental quantities. The dimensions of mass in the new system is: [1-Feb-2023 Shift 2]

For a periodic motion represented by the equation the amplitude of the motion is [10-Apr-2023 shift 2]

The resistance of a wire is . It's new resistance in ohm if stretched to 5 times of it's original length will be : [25-Jan-2023 Shift 2]

Two equal positive point charges are separated by a distance . The distance of a point from the centre of the line joining two charges on the equatorial line (perpendicular bisector) at which force ex

The figure shows a liquid of given density flowing steadily in horizontal tube of varying cross - section. Cross sectional areas at is , and is , if the speed of liquid at is then is: (Given and are l

A body cools from to in 6 minutes. If, temperature of surroundings is . Then, after the next 6 minutes, its temperature will be . [29-Jan-2023 Shift 1]