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Gravitational potential at a height R fr...

Gravitational potential at a height R from the surface of the earth will be [Take M = mass of the earth, R = radius of the earth]

A

`(-GM)/(2R)`

B

`(-GM)/(R )`

C

`(-GM)/(4R)`

D

`-GM`

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The correct Answer is:
A
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AAKASH INSTITUTE-GRAVITATION -ASSIGNMENT SECTION -A (Objective Type Questions (one option is correct))
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  11. Two satellites of masses M and 16 M are orbiting a planet in a circula...

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  12. The time period of a geostationary satellite is

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  18. The total energy of a circularly orbiting satellite is

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  19. Time period of revolution of poalr satellite is aroung

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  20. The weight of a body will appear to be zero when

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