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The magnitude of gravitational potential...

The magnitude of gravitational potential energy of a body at a distance 'r' from the center of the earth is V. Its weight at a distance '2r' from the centre of the earth is

A

`(V)/(r)`

B

`(V)/(4r)`

C

`(V)/(2r)`

D

`(4V)/(r)`

Text Solution

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The correct Answer is:
B
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The magnitude of gravitational potential energy of a body at a distance .r. from the center of the earth is V. Its weight at a distance .2r. from the center of the earth is

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