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A mass of 50 kg is placed at the centre ...

A mass of 50 kg is placed at the centre of a uniform spherical shell of mass 100 kg and radius 50 m. If the gravitational potential at a point, 25 m from the centre is V kg/m. The value of V is:

A

`-60G`

B

`-20G`

C

`-4G`

D

`+2G`

Text Solution

Verified by Experts

The correct Answer is:
C

`V_(A)=[-(GM_(1))/(r)-(GM_(2))/(R)]=[-(50)/(25)G-(100)/(50)G]=-4G`
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