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Gravitation — NEET UG Physics PYQs

335 previous year questions from Gravitation with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

335 questionsPhysicsSolutions on every page
1

The amount of work done to raise a mass ' m ' from the surface of the Earth to a height equal to the radius of the Earth ' R ', will be :

NEET 2026 Solution View → 2

Two planets P₁ and P₂ with equal mass have radii R₁ and R₂ , respectively, where R₂= R₁ 2 . The escape speeds of P₁ and P₂ are v₁ and v₂ , respectively. Then v₂ v₁ is :

NEET 2026 Solution View → 3

In a solar system, the time-period of revolution of a planet tracing a circular orbit of radius R is proportional to :

NEET 2026 Solution View → 4

The radius of Martian orbit around the Sun is about 4 times the radius of the orbit of Mercury. The Martian year is 687 Earth days. Then which of the following is the length of 1 y

NEET 2025 Solution View → 5

A body weighs 48 N on the surface of the earth. The gravitational force experienced by the body due to the earth at a height equal to one-third the radius of the earth from its sur

NEET 2025 Solution View → 6

The escape velocity for earth is v . A planet having 9 times mass that of earth and radius, 16 times that of earth, has the escape velocity of:

NEET 2024 Solution View → 7

The mass of a planet is 1 10 th that of the earth and its diameter is half that of the earth. The acceleration due to gravity on that planet is:

NEET 2024 Solution View → 8

An object of mass 100 kg falls from point A to B as shown in figure. The change in its weight, corrected to the nearest integer is ( R_E is the radius of the earth)

NEET 2024 Solution View → 9

The minimum energy required to launch a satellite of mass m from the surface of earth of mass M and radius R in a circular orbit at an altitude of 2 R from the surface of the earth

NEET 2024 Solution View → 10

The escape velocity of a body on the earth surface is 11.2 ~km / s . If the same body is projected upward with velocity 22.4 ~km / s , the velocity of this body at infinite distanc

NEET 2023 Solution View → 11

If R is the radius of the earth and g is the acceleration due to gravity on the earth surface. Then the mean density of the earth will be

NEET 2023 Solution View → 12

Two bodies of mass m and 9 m are placed at a distance R . The gravitational potential on the line joining the bodies where the gravitational field equals zero, will be ( G = gravit

NEET 2023 Solution View → 13

A satellite is orbiting just above the surface of the earth with period T . If d is the density of the earth and G is the universal constant of gravitation, the quantity 3 π G

NEET 2023 Solution View → 14

In a gravitational field, the gravitational potential is given by, V = K x ( ~J / kg ) . The gravitational field intensity at point (2,0,3) m is:

NEET 2022 Solution View → 15

A body of mass 60   g experiences a gravitational force of 3 . 0   N , when placed at a particular point. The magnitude of the gravitational field intensity at that point

NEET 2022 Solution View → 16

A particle of mass m is projected with a velocity v = k V e   ( k < 1 ) from the surface of the earth ( V e = escape velocity). The maximum height above the surface reache

NEET 2021 Solution View → 17

The escape velocity from the Earth's surface is v . The escape velocity from the surface of another planet having a radius four times that of Earth and the same mass density is

NEET 2021 Solution View → 18

What is the depth at which the value of acceleration due to gravity becomes 1 n , times the value at the surface of the earth? (radius of the earth = R )

NEET 2020 Solution View → 19

A body weighs 72   N on the surface of the earth. What is the gravitational force on it, at a height equal to half the radius of the earth?

NEET 2020 Solution View → 20

Assertion : Orbit of a satellite is within the gravitational field of earth whereas escaping is beyond the gravitational field of earth. Reason : Orbital velocity of a satellite is

AIIMS 2019 Solution View → 21

Taking the radius of the earth to be 6400 ~km , by what percentage will the acceleration due to gravity at a height of 100 ~km from the surface of the earth differ from that on the

AIIMS 2019 Solution View → 22

If escape velocity on earth surface is 11.1 ~km / h , then find the escape velocity on moon surface. If mass of moon is 1 81 times of mass of earth and radius of moon is 1 4 times

JIPMER 2019 Solution View → 23

A planet of radius R has a time period of revolution T. Find time period of a planet of radius 9 R ?

JIPMER 2019 Solution View → 24

The time period of a geo-stationary satellite is 24 ~h , at a height 6 R_E-R_E is the radius of earth) from surface of earth. The time period of another satellite whose height is 2

NEET 2019 Solution View → 25

A body weighs 200   N on the surface of the earth. How much will it weigh half way down to the centre of the earth?

NEET 2019 Solution View → 26

Assuming that the gravitational potential energy of an object at infinity is zero, the change in potential energy (final - initial) of an object of mass m , when taken to a height

NEET 2019 Solution View → 27

The work done to raise a mass m from the surface of the earth to a height h , which is equal to the radius of the earth is:

NEET 2019 Solution View → 28

A satellite is moving with a constant speed v in a circular orbit about the earth. An object of mass m is ejected from the satellite such that it just escapes from the gravitationa

AIIMS 2018 Solution View → 29

Earth orbiting satellite has solar energy collecting panel with total area 5 ~m ^2 . If solar radiations are perpendicular and completely absorbed, the average force associated wit

AIIMS 2018 Solution View → 30

Average distance of the earth from the sun is L₁ . If one year of the earth =D days, one year of another planet whose average distance from the sun is L₂ will be

AIIMS 2018 Solution View → 31

A satellite is revolving around the earth with a kinetic energy E . The minimum addition of kinetic energy needed to make it escape from its orbit is

AIIMS 2018 Solution View → 32

At what distance (in metre) from the centre of the Moon, the intensity of gravitational field will be zero? (Take, mass of Earth and Moon as 5.98 10²⁴ ~kg and 7.35 10²² ~kg respect

JIPMER 2018 Solution View → 33

R is the radius of Earth and is its angular velocity and g_p is the value of g at the poles. The effective value of g at a latitude =60^ .

JIPMER 2018 Solution View → 34

The kinetic energies of a planet in an elliptical orbit about the Sun, at positions, A , B and C are K A ,   K B   a n d   K C , respectively. A C is the major axis

NEET 2018 Solution View → 35

If the mass of the Sun were ten times smaller and the universal gravitational constant were ten times larger in magnitude, which of the following is not correct?

NEET 2018 Solution View → 36

The change in the gravitational potential energy when a body of mass m is raised to a height n R above the surface of the earth is (here R is the radius of the earth)

AIIMS 2017 Solution View → 37

Assertion : Kepler's second law can be understood by conservation of angular momentum principle. Reason : Kepler's second law is related with areal velocity which can further be pr

AIIMS 2017 Solution View → 38

The planets with radii R₁ and R₂ have densities ₁, ₂ respectively. Their atmospheric pressures are p₁ and p₂ respectively. Therefore, the ratio of masses of their atmospheres, negl

JIPMER 2017 Solution View → 39

A rocket is intended to leave the Earth's gravitational field. The fuel in its main engine is a little less than the amount that is necessary and an auxiliary engine, (only capable

JIPMER 2017 Solution View → 40

Two astronauts are floating in gravitational free space after having lost contact with their spaceship. The two will:

NEET 2017 Solution View → 41

The acceleration due to gravity at a height 1 km above the earth is the same as at a depth d below the surface of earth. Then

NEET 2017 Solution View → 42

Time period of pendulum, on a satellite orbiting the earth, is

AIIMS 2016 Solution View → 43

The additional kinetic energy to be provided to a satellite of mass m revolving around a planet of mass M to transfer it from a circular orbit of radius R₁ to another of radius R₂

AIIMS 2016 Solution View → 44

A body of mass 2 m is placed on earth's surface. Calculate the change in gravitational potential energy, if this body is taken from earth's surface to a height of h , where h=4 R .

JIPMER 2016 Solution View → 45

Starting from the center of the earth having radius, R , the variation of g (acceleration due to gravity) is shown by

NEET 2016 Solution View → 46

At what height from the surface of earth the gravitation potential and the value of g are - 5.4 × 10 7  J   k g - 2 and 6.0   m  s - 2 respectively? Take t

NEET 2016 Solution View → 47

A satellite of mass m is orbiting the earth (of radius R ) at a height h from its surface. The total energy of the satellite in terms of g o , the value of acceleration due to grav

NEET 2016 Solution View → 48

The ratio of escape velocity at earth υ e to the escape velocity at a planet υ p whose radius and mean density are twice as that of earth is:

NEET 2016 Solution View → 49

A uniform ring of mass m and radius a is placed directly above a uniform sphere of mass M and of equal to radius. The centre of the ring is at a distance 3 a from the centre of the

JIPMER 2015 Solution View → 50

A satellite S is moving in an elliptical orbit around the earth. The mass of the satellite is very small compared to the mass of the earth. Then,

NEET 2015 Solution View → 51

A remote-sensing satellite of earth revolves in a circular orbit at a height of 0.25 × 10 6 m above the surface of earth. If earth's radius is 6.38 × 10 6   m an

NEET 2015 Solution View → 52

Kepler's third law states that the square of the period of revolution (T) of a planet around the sun is proportional to the third power of the average distance r between sun an

NEET 2015 Solution View → 53

A satellite is in an orbit around the earth. If its kinetic energy is doubled, then

AIIMS 2014 Solution View → 54

What will be the effect on the weight of a body placed on the surface of earth, if earth suddenly stops rotating?

AIIMS 2014 Solution View → 55

Change in acceleration due to gravity is same upto a height h from each other the earth surface and below depth x , then relation between x and h is ( h and x R_e )

JIPMER 2014 Solution View → 56

A black hole is an object whose gravitational field is so strong that even light cannot escape from it. To what approximate radius would earth m a s s = 5.98 × 10 24 k g have

NEET 2014 Solution View → 57

Dependence of intensity of gravitational field E of earth with distance r from centre of earth is correctly represented by:

NEET 2014 Solution View → 58

Gravitational potential of the body of mass m at a height h from surface of earth of radius R is (Take g= acceleration due to gravity at earth's surface)

AIIMS 2013 Solution View → 59

A body of mass m is taken from the earth's surface to the height equal to twice the radius (R) of the earth. The change in potential energy of body will be

AIIMS 2013 Solution View → 60

Assertion : Water kept in an open vessel will quickly evaporate on the surface of the moon. Reason : The temperature at the surface of the moon is much higher than the boiling poin

AIIMS 2013 Solution View → 61

The escape velocity for the earth is 11.2 ~km / s . The mass of another planet 100 times mass of earth and its radius is 4 times radius of the earth. The escape velocity for the pl

JIPMER 2013 Solution View → 62

The radius of planet is twice the radius of earth. Both have almost equal averge mass densities V_P and V_E are escape velocities of the planet and the earth respectively, then:

NEET 2013 Solution View → 63

A body of mass m taken from the earth's surface to the height equal to twice the radius (R) of the earth. The change is potential energy of body will be

NEET 2013 Solution View → 64

Infinite number of bodies, each of mass 2 ~kg are situated on x -axis at distance 1 ~m , 2 ~m , 4 ~m , 8 ~m , respectively from the origin. The resulting gravitational potential du

NEET 2013 Solution View → 65

A particle of mass ' m ' is kept at rest at a height 3 R from the surface of earth, where ' R ' is radius of earth and ' M ' is mass of earth. The minimum speed with which is shoul

NEET 2013 Solution View → 66

Find out the correct relation for the dependance of change in acceleration due to gravity on the angle at the latitude, due to rotation of earth

AIIMS 2012 Solution View → 67

A launching vehicle carrying an artificial satellite of mass m is set for launch on the surface of the earth of mass M and radius R . If the satellite is intended to move in a circ

JIPMER 2012 Solution View → 68

The height at which the weight of a body becomes 1 / 16 th, its weight on the surface of earth (radius R ), is

NEET 2012 Solution View → 69

A spherical planet has a mass M_p and diameter D_p . A particle of mass m falling freely near the surface of this planet will experience an acceleration due to gravity, equal to

NEET 2012 Solution View → 70

A geostationary satellite is orbiting the earth at a height of 5 R above that surface of the earth, R being the radius of the earth. The time period of another satellite in hours a

NEET 2012 Solution View → 71

If v_e is escape velocity and v_o is orbital velocity of a satellite for orbit close to the Earth's surface, then these are related by

NEET 2012 Solution View → 72

Which one of the following plots represents the variation of gravitational field on a particle with distance r due to a thin spherical shell of radius R ? ( r is measured from the

NEET 2012 Solution View → 73

A body projected vertically from the earth reaches a height equal to earth's radius before returning to the earth. The power exerted by the gravitational force is greatest

NEET 2011 Solution View → 74

A particle of mass M is situated at the centre of spherical shell of mass and radius a . The magnitude of the gravitational potential at a point situated at a 2 distance from the c

NEET 2011 Solution View → 75

A particle of mass m is thrown upwards from the surface of the earth, with a velocity u . The mass and the radius of the earth are, respectively, M and R . G is gravitational const

NEET 2011 Solution View → 76

A planet moving along an elliptical orbit is closest to the sun at a distance r₁ and farthest away at a distance of r₂ . If y₁ and v₂ are the linear velocities at these points resp

NEET 2011 Solution View → 77

Assertion : The difference in the value of acceleration due to gravity at pole and equator is proportional to square of angular velocity of earth. Reason : The value of acceleratio

AIIMS 2010 Solution View → 78

Two spherical bodies of masses M and 5 M and radii R and 2 R respectively are released in free space with initial separation between their centres equal to 12 R . If they attract e

JIPMER 2010 Solution View → 79

A satellite orbiting the earth in a circular orbit of radius R completes one revolution in 3h. If orbital radius of geostationary satellite is 36000 km , orbital radius of earth is

JIPMER 2010 Solution View → 80

The radii of circular orbits of two satellites A and B of the earth are 4 R and R , respectively. If the speed of satellite A is 3 v , then the speed of satellite B will be

NEET 2010 Solution View → 81

A particle of mass M is situated at the centre of a spherical shell of same mass and radius a. The gravitational potential at a point situated at a/ 2 distance from the centre, wil

NEET 2010 Solution View → 82

The additional kinetic energy to be provided to a satellite of mass m revolving around a planet of mass M , to transfer it from a circular orbit of radius R₁ to another of radius R

NEET 2010 Solution View → 83

The dependence of acceleration due to gravity g on the distance r from the centre of the earth, assumed to be a sphere of radius R of uniform density is as shown in figures below (

NEET 2010 Solution View → 84

Assertion : Generally the path of a projectile from the earth is parabolic but it is elliptical for projectiles going to a very great height. Reason : Up to ordinary height the pro

AIIMS 2009 Solution View → 85

Two satellites of earth, S₁ and S₂ , are moving in the same orbit. The mass of S₁ is four times the mass of S₂ . Which one of the following statements is true?

JIPMER 2009 Solution View → 86

The figure shows elliptical orbit of a planet m about the sun S . The shaded area SCD is twice the shaded are SAB . It t₁ is the time for the planet to move from C to D and t₂ is t

NEET 2009 Solution View → 87

Suppose the gravitational force varies inversely as the (n^ th ) power of distance. Then the time period of a planet in circular orbit of radius (R ) around the sun will be proport

AIIMS 2008 Solution View → 88

The speed of earth's rotation about its axis is . Its speed is increased to x times to make the effective acceleration due to gravity equal to zero at the equator. Then x is

JIPMER 2008 Solution View → 89

For a satellite moving in an orbit around the earth, the ratio of kinetic energy to potential energy is

JIPMER 2008 Solution View → 90

Height of geostationary satellite is

AIIMS 2007 Solution View → 91

Imagine a new planet having the same density as that of earth but it is 3 times bigger than the earth in size. If the acceleration due to gravity on the surface of earth is g and t

JIPMER 2007 Solution View → 92

Two satellites of earth, S ₁ and S ₂ are moving in the same orbit. The mass of S₁ of four times the mass of S₂ . Which one of the following statements is true?

NEET 2007 Solution View → 93

Two planets are revolving around the earth with velocities v₁ and v₂ and in radii r₁ and r₂ (r₁ r₂ ) respectively. Then:

JIPMER 2006 Solution View → 94

Earth is revolving around the sun. If the distance of the earth from the sun is reduced to 1 / 4 th of the present distance then the length of present day will be reduced by :

JIPMER 2006 Solution View → 95

There are two planets and the ratio of radius of the two planets is K but ratio of acceleration due to gravity of both planets is g . What will be the ratio of their escape velocit

JIPMER 2006 Solution View → 96

The Earth is assumed to be a sphere of radius R . A platform is arranged at a height R from the surface of the Earth. The escape velocity of a body from this platform is f v , wher

NEET 2006 Solution View → 97

According to Hubble's law, the redshift (Z) of a receding galaxy and its distance r from earth are related as

AIIMS 2005 Solution View → 98

The condition for a uniform spherical mass m of radius r to be a black hole is [G= gravitational constant and g= acceleration due to gravity]

AIIMS 2005 Solution View → 99

Radius of orbit of satellite of earth is R . Its kinetic energy is proportional to

JIPMER 2005 Solution View → 100

For a satellite in an orbit around the earth, the ratio of kinetic energy to potential energy is:

NEET 2005 Solution View → 101

Imagine a new planet having the same density as that of earth but it is 3 times bigger than the earth in size. If the acceleration due to gravity on the surface of earth is g and t

NEET 2005 Solution View → 102

Assertion : There are very small sporadic changes in the period of rotation of the earth. Reason : Shifting of large air masses in the earth's atmosphere produce a change in the mo

AIIMS 2004 Solution View → 103

The density of a newly discovered plant is twice that of earth. The acceleration due to gravity at the surface of the planet is equal to that at the surface of the earth. If the ra

NEET 2004 Solution View → 104

The velocity with which a projectile must be fired so that it escapes earth's gravitation does not depend on

AIIMS 2003 Solution View → 105

The motion of planets in the solar system is an example of the conservation of

AIIMS 2003 Solution View → 106

The difference in lengths of a mean solar day and a sidereal day is about

AIIMS 2003 Solution View → 107

Assertion : The length of the day is slowly increasing. Reason : The dominant effect causing a slowdown in the rotation of the earth is the gravitational pull of other planets in t

AIIMS 2003 Solution View → 108

Assertion : The earth is slowing down and as a result the moon is coming nearer to it. Reason : The angular momentum of the earth moon system is not conserved.

AIIMS 2003 Solution View → 109

The acceleration due to gravity on the planet A is 9 times the acceleration due to gravity on planet B. A man jumps to a height of 2 ~m on the surface of A. What is the height of j

NEET 2003 Solution View → 110

Two spheres of masses m and M are situated in air and the gravitational force between them is F . The space around the masses is now filled with a liquid of specific gravity 3 . Th

NEET 2003 Solution View → 111

The force of gravitation is

AIIMS 2002 Solution View → 112

Kepler's second law is based on

AIIMS 2002 Solution View → 113

If v₀ be the orbital velocity of a satellite in a circular orbit close to the earth's surface and v_e is the escape velocity from the earth, then relation between the two is

AIIMS 2002 Solution View → 114

Assertion : Planet is a heavenly body revolving round the sun. Reason : Star is luminous body made of gaseous material.

AIIMS 2002 Solution View → 115

Hubble's law is related with

AIIMS 2002 Solution View → 116

A body of mass m is placed on Earth's surface which is a taken from Earth's surface to a height of h=3 R , then the change in the gravitational potential energy is:

NEET 2002 Solution View → 117

The orbital velocity of an artificial satellite in a circular orbit above the earth's surface at a distance equal to radius of earth is v . For a satellite orbiting at an altitude

AIIMS 2001 Solution View → 118

Escape velocity of a rocket is 11.2 ~km / sec . It is released at an angle of 45^ . Its escape velocity is

AIIMS 2001 Solution View → 119

Assertion : The time period of revolution of a satellite around a planet is directly proportional to the radius of the orbit of the satellite. Reason : Artificial satellite do not

AIIMS 2001 Solution View → 120

A body weighed 250 ~N on the surface assuming the earth to be a sphere of uniform mass density, how much would it weigh half way down to the centre of the earth?

AIIMS 2001 Solution View →
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