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A body of mass m is taken from earth sur...

A body of mass m is taken from earth surface to the height h equal to radius of earth, the increase in potential energy will be

A

mgR

B

2mgR

C

`(1/2)mgR `

D

`(1/4)mgR `

Text Solution

Verified by Experts

The correct Answer is:
B
`GMm ((1)/(R)-(1)/(2R))`
`=(GM m )/(2R) (R)/(R) =(mgR)/(2)`
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