Gravitation questions
1239 published questions with worked solutions.
- The time period of a satellite revolving around earth in a given orbit is 7 hours. If the radius of orbit is increased to three...
- The escape velocity of a body on a planet 'A' is 12 kms^ -1 . The escape velocity of the body on another planet 'B', whose...
- Consider a star of mass m_2 kg revolving in a circular orbit around another star of mass m_1 kg with m_1 m_2. The heavier star...
- A geostationary satellite above the equator is orbiting around the earth at a fixed distance r_1 from the center of the earth. A...
- Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Earth has...
- The orbital angular momentum of a satellite is L, when it is revolving in a circular orbit at height h from earth surface. If the...
- The acceleration due to gravity at height h above the earth if h << R (Radius of earth) is given by
- Given below are two statements: Statement I: If E be the total energy of a satellite moving around the earth, then its potential...
- The weight of a body on the earth is 400 N. Then weight of the body when taken to a depth half of the radius of the earth will be...
- Given below are two statements: Statement I : Rotation of the earth shows effect on the value of acceleration due to gravity (g)....
- The time period of a satellite, revolving above earth's surface, at a height equal to R will be - (Given g = ^2 m/s^2, R = radius...
- Assuming the earth to be a sphere of uniform mass density, the weight of a body at a depth d = R 2 from the surface of earth. if...
- If V is the gravitational potential due to sphere of uniform density on its surface, then its value at the centre of sphere will...
- A space ship of mass 2 10^4kg is launched into a circular orbit close to the earth surface. The additional velocity to be...
- 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...
- Given below are two statements: Statement I : For a planet, if the ratio of mass of the planet to its radius increase, the escape...
- A planet having mass 9 M_e and radius 4R_e, where M_e and R_e are mass and radius of earth respectively, has escape velocity in...
- Two identical particles each of mass 'm' go round a circle of radius a under the action of their mutual gravitational attraction....
- 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...
- Given below are two statements: Statement I: Acceleration due to earth's gravity decreases as you go 'up' or 'down' from earth's...
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