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Gravitation Questions

Practice 68 Gravitation questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.

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68
Total Questions
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22
Easy
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36
Medium
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10
Hard
Practice by Exam:Physics(64)PHYSICS(3)General Science(1)

About Gravitation — practice questions, PYQs & concepts

Gravitation is a frequently-tested topic on Physics, PHYSICS, General Science. ExamTest.live currently lists 68 Gravitation questions spanning previous-year papers from 2026 to 2026, each with worked solutions and a step-by-step explanation. Use the filters on this page to focus on a specific exam, difficulty level or year — every answer key is free, no sign-up required.

Gravitation weight in competitive exams

Across our Gravitation question bank, the largest sources are Physics (64), PHYSICS (3) and General Science (1). Click any exam chip above to drill down to that exam-specific question set.

How to use this page

  • Start easy: 22 easy Gravitation questions are available — build fluency before moving up.
  • Target weak years: Use the year filter to focus on the most recent 2026 paper or older PYQs you have not attempted.
  • Time yourself: Every question shows the average solve time so you can benchmark your speed against other students.
  • Read every explanation: Even on questions you got right — the explanation often surfaces a faster approach you can reuse.

All Gravitation Questions(1–68 of 68)

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Q1mediummcqPhysicsAIEEE 20042026
0% accuracy
A satellite of mass revolves around the earth of radius at a height from its surface. If is the acceleration due to gravity on the surface of the earth, the orbital speed of the satellite is:
Q2easymcqPhysicsAIEEE 20042026
0% accuracy
The time period of an earth satellite in circular orbit is independent of:
Q3easymcqPhysicsAIEEE 20042026
50% accuracy
If is the acceleration due to gravity on the earth’s surface, the gain in the potential energy of object of mass raised from the surface of the earth to a height equal to the radius of the earth is:
Q4hardmcqPhysicsAIEEE 20042026
50% accuracy
Suppose the gravitational force varies inversely as the power of distance. Then the time period of a planet in circular orbit of radius around the sun will be proportional to:
Q5easymcqPhysicsNEET 20192026
0% accuracy
A body weighs on the surface of the earth. How much will it weigh half way down to the centre of the earth?
Q6easymcqPhysicsNEET (UG) 20172026
0% accuracy
Two astronauts are floating in gravitational free space after having lost contact with their spaceship. The two will:
Q7easymcqPhysicsNEET (UG) 20172026
0% accuracy
The acceleration due to gravity at a height above the earth is the same as at a depth below the surface of earth. Then:
Q8hardmcqPhysicsNEET (UG) 20172026
0% accuracy
Suppose the charge of a proton and an electron differ slightly. One is , the other is . If the net electrostatic force and gravitational force between two hydrogen atoms at distance is zero, then is of the order of: (Mass of hydrogen )
Q9mediummcqPhysicsNEET 20192026
0% accuracy
The work done to raise a mass from the surface of the earth to a height , which is equal to the radius of the earth, is:
Q10mediummcqPHYSICSNEET 20192026
The time period of a geostationary satellite is at a height ( is the radius of the Earth) from the surface of the earth. The time period of another satellite whose height is from the surface will be:
Q11easymcqPHYSICSNEET 20192026
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 when taken to a height from the surface of the earth (of radius and mass ), is given by:
Q12mediummcqPhysicsNEET (UG) 20242026
The minimum energy required to launch a satellite of mass from the surface of earth of mass and radius in a circular orbit at an altitude of from the surface of the earth is:
Q13mediummcqPHYSICSNEET 20192026
A mass falls from a height and its time of fall is recorded as in terms of time period of a simple pendulum. On the surface of the earth, it is found that . The entire setup is taken on the surface of another planet whose mass is half of that of the Earth and whose radius is the same. The same experiment is repeated and corresponding times are noted as and . Then we can say:
Q14mediummcqPhysicsNEET 2020 E12026
A body weighs on the surface of the earth. What is the gravitational force on it, at a height equal to half the radius of the earth?
Q15mediummcqPhysicsNEET 20212026
The escape velocity from the Earth’s surface is . The escape velocity from the surface of another planet having a radius, four times that of Earth and same mass density is:
Q16mediummcqPhysicsNEET 20212026
If and respectively denote energy and gravitational constant, then has dimensions of:
Q17hardmcqPhysicsNEET 20212026
A particle of mass is projected with a velocity () from the surface of the earth ( = escape velocity). The maximum height above the surface reached by the particle is:
Q18easymcqPhysicsNEET 20222026
A body of mass experiences a gravitational force of , when placed at a particular point. The magnitude of the gravitational field intensity at that point is:
Q19easymcqPhysicsNEET 20222026
Match List - I with List – II regarding gravitational quantities.
image
Q20hardmcqPhysicsNEET 20232026
Two bodies of mass and are placed at a distance . The gravitational potential on the line joining the bodies where the gravitational field equals zero, will be ():
Q21hardmcqPhysicsNEET 20232026
A satellite is orbiting just above the surface of the earth with period . If is the density of the earth and is the universal constant of gravitation, the quantity represents:
Q22mediummcqPhysicsNEET (UG) 20242026
The mass of a planet is th that of the earth and its diameter is half that of the earth. The acceleration due to gravity on that planet is:
Q23mediummcqPhysicsNEET (UG) 20182026
The kinetic energies of a planet in an elliptical orbit about the Sun, at positions A, B and C are and , respectively. AC is the major axis and SB is perpendicular to AC at the position of the Sun S. Position A is closest to the Sun (perihelion) and C is furthest (aphelion). Then:
image
Q24mediummcqPhysicsAIEEE2026
Average density of the earth:
Q25mediummcqPhysicsAIEEE2026
The change in the value of at a height ‘ ’ above the surface of the earth is the same as at a depth ‘ ’ below the surface of earth. When both ‘ ’ and ‘ ’ are much smaller than the radius of earth, then which one of the following is correct?
Q26mediummcqPhysicsAIEEE2026
A particle of mass is kept on the surface of a uniform sphere of mass and radius . Find the work to be done against the gravitational force between them to take the particle far away from the sphere [ ]:
Q27mediummcqPhysicsAIEEE 20032026
The time period of a satellite of earth is . If the separation between the earth and the satellite is increased to times the previous value, the new time period will become:
Q28easymcqPhysicsAIEEE 20032026
The escape velocity for a body projected vertically upwards from the surface of earth is . If the body is projected at an angle of with the vertical, the escape velocity will be:
Q29hardmcqPhysicsAIEEE 20032026
Two spherical bodies of mass and and radii and respectively are released in free space with initial separation between their centres equal to . If they attract each other due to gravitational force only, then the distance covered by the smaller body just before collision is:
Q30mediummcqPhysicsAIEEE2026
A planet in a distant solar system is times more massive than the earth and its radius is times smaller. Given that the escape velocity from the earth is , the escape velocity from the surface of the planet would be:
Q31mediummcqPhysicsAIEEE2026
Statement - 1: For a mass kept at the centre of a cube of side ‘ ’, the flux of gravitational field passing through its sides is .Statement - 2: If the direction of a field due to a point source is radial and its dependence on the distance ‘ ’ for the source is given as , its flux through a closed surface depends only on the strength of the source enclosed and not on the size or shape of the surface.
Q32mediummcqPhysicsAIEEE 20092026
The height at which the acceleration due to gravity becomes (where the acceleration due to gravity on the surface of the earth) in terms of , the radius of the earth is:
Q33mediummcqPhysicsFIITJEE AIEEE 2011 (Set Q)2026
Two bodies of masses and are placed at a distance . The gravitational potential at a point on the line joining them where the gravitational field is zero is:
Q34mediummcqPhysicsAIEEE 20122026
The mass of a spaceship is . It is to be launched from the earth's surface out into free space. The value of ' ' and ' ' (radius of earth) are and respectively. The required energy for this work will be:
Q35mediummcqPhysicsJEE Main2026
What is the minimum energy required to launch a satellite of mass from the surface of a planet of mass and radius in a circular orbit at an altitude of ?
Q36mediummcqGeneral SciencePractice Paper2026
Which of the following concepts explains tides in the oceans ?
Q37hardmcqPhysicsNEET (UG) 20182026
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?
Q38easymcqPhysicsNEET 20172026
Two astronauts are floating in gravitational free space after having lost contact with their spaceship. The two will:
Q39easymcqPhysicsNEET 20172026
The acceleration due to gravity at a height above the earth is the same as at a depth below the surface of earth. Then:
Q40hardmcqPhysicsNEET 20172026
Suppose the charge of a proton and an electron differ slightly. One of them is , the other is . If the net of electrostatic force and gravitational force between two hydrogen atoms placed at a distance (much greater than atomic size) apart is zero, then is of the order of [Given mass of hydrogen ]:
Q41mediummcqPhysicsPhysics
3% accuracy
The radius of Martian orbit around the Sun is about times the radius of the orbit of Mercury. The Martian year is Earth days. Then which of the following is the length of year on Mercury?
Q42mediummcqPhysicsPhysics
6% accuracy
A body weighs 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 surface is:
Q43mediummcqPhysicsPhysics
0% accuracy
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 that on the surface of the new planet is g', then :
Q44mediummcqPhysicsPhysics
0% accuracy
A body projected vertically from the earth reaches a height equal to the earth's radius before returning to the earth. The power exerted by the gravitational force is greatest:
Q45mediummcqPhysicsPhysics
0% accuracy
A planet moving along an elliptical orbit is closest to the sun at a distance and farthest away at a distance of . If and are the linear velocities at these points respectively, then the ratio is:
Q46mediummcqPhysicsPhysics
Which one of the following plots represents the variation of gravitational field () due to a thin spherical shell of radius with distance ?
image
Q47mediummcqPhysicsPhysics
A satellite of mass is orbiting the earth (of radius ) at a height from its surface. The total energy of the satellite in terms of , the value of acceleration due to gravity at the earth's surface, is:
Q48mediummcqPhysicsPhysics
The condition for a uniform spherical mass of radius to be a black hole is [ and ]:
Q49mediummcqPhysicsPhysics
The earth is assumed to be a sphere of radius . A platform is arranged at a height from the surface of the earth. The escape velocity of a body from this platform is , where is its escape velocity from the surface of the earth. The value of is :
Q50easymcqPhysicsPhysics
Two satellites of earth, and , are moving in the same orbit. The mass of is four times the mass of . Which one of the following statements is true?
Q51easymcqPhysicsPhysics
The Figure shows elliptical orbit of a planet about the sun . The shaded area is twice the shaded area . If is the time for the planet to move from to and is the time to move from to then:
image
Q52easymcqPhysicsPhysics
The radii of circular orbits of two satellites and of the earth, are and , respectively. If the speed of satellite is , then the speed of satellite will be:
Q53easymcqPhysicsPhysics
A particle of mass is situated at the centre of a spherical shell of same mass and radius . The gravitational potential at a point situated at distance from the centre, will be:
Q54mediummcqPhysicsPhysics
A particle of mass is at the centre of a spherical shell of mass and radius . Gravitational potential at distance from centre is:
Q55mediummcqPhysicsPhysics
Minimum value of so a particle of mass does not return to earth (Mass , Radius ):
Q56easymcqPhysicsPhysics
Starting from the centre of the earth having radius , the variation of (acceleration due to gravity) is shown by:
image
Q57easymcqPhysicsPhysics
If is escape velocity and is orbital velocity of a satellite for orbit close to the earth’s surface, then these are related by:
Q58easymcqPhysicsPhysics
The height at which the weight of a body becomes th its weight on the surface of earth (radius ) is:
Q59hardmcqPhysicsPhysics
A geostationary satellite is orbiting the earth at a height of above the surface, being the radius of the earth. The time period of another satellite in hours at a height of from the surface of the earth is:
Q60easymcqPhysicsPhysics
A spherical planet has a mass and diameter . A particle of mass falling freely near the surface of this planet will experience an acceleration due to gravity, equal to:
Q61easymcqPhysicsPhysics
A body of mass is taken from the earth's surface to the height equal to twice the radius () of the earth. The change in potential energy of the body will be:
Q62mediummcqPhysicsPhysics
Infinite number of bodies, each of mass are situated on the x-axis at distances , respectively, from the origin. The resulting gravitational potential due to this system at the origin will be:
Q63hardmcqPhysicsPhysics
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 (mass = ) have to be compressed to be a black hole?
Q64easymcqPhysicsPhysics
Dependence of intensity of gravitational field () of earth with distance () from centre of earth is correctly represented by:
image
Q65easymcqPhysicsPhysics
A satellite 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:
Q66mediummcqPhysicsPhysics
A remote-sensing satellite of earth revolves in a circular orbit at a height of above the surface of earth. If earth’s radius is and , then the orbital speed of the satellite is:
Q67mediummcqPhysicsPhysics
At what height from the surface of earth the gravitation potential and the value of are and respectively? Take the radius of earth as :
Q68mediummcqPhysicsPhysics
The ratio of escape velocity at earth to the escape velocity at a planet whose radius and mean density are twice as that of earth is:

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