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If g is the acceleration due to gravity ...

If g is the acceleration due to gravity on the earth's surface, the gain in the potential energy of an object of mass m raised from the surface of the earth to a height equal to the radius R of the earth, is

A

`(1)/(4)` mgR

B

`(1)/(2)` mgR

C

2 mg R

D

mg R

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The correct Answer is:
B
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