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Two spheres each of mass M and radius R ...

Two spheres each of mass `M` and radius `R` are separated by a distance of `r`. The gravitational potential at the midpoint of the line joining the centres of the spheres is

A

`- (Gm)/( R)`

B

` -(2GM)/( r)`

C

` -(GM)/(2r)`

D

`- (4GM)/(r )`

Text Solution

Verified by Experts

The correct Answer is:
D
`- (4GM)/(r )`
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