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Gravitational potential energy of body o...

Gravitational potential energy of body of mass `m` at a height of `h` above the surface of earth (M = mass of earth , R = radius of earth) is

A

`(-GMm)/(R+h)`

B

`(-GMm)/h`

C

`(GMmh)/(R(R+h))`

D

`(GMmh)/(h+2R)`

Text Solution

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The correct Answer is:
C
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AAKASH INSTITUTE ENGLISH-GRAVITATION -ASSIGNMENT SECTION - B (OBJECTIVE TYPE QUESTIONS)
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  2. When a satellite moves around the earth, the quantity which remains co...

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  9. The magnitude of potential energy per unit mass of the object at the s...

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  10. The orbital speed of a satellite revolving around a planet in a ci...

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  11. If L is the angular momentum of a satellite revolving around earth...

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  12. A satellite of mass m is revolving close to surface of a plant of ...

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  13. When energy of a satellite - planet system is positive then satelli...

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  14. If radius of an orbitating satellite is decreased , then its kin...

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  16. If gravitational field Intensity is E at distance R/2 outside from t...

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  17. If potential at the surface of earth is assigned zero value , then p...

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  18. An object is projected horizontally with speed 1/2 sqrt((GM)/R) , fr...

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  19. If acceleration due to gravity at distance d [ < R ] from the c...

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