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A particle of mass M is situated at the centre of a spherical shell of same mass and radius a.
The gravitational potential at a point situated at a distance from the centre, will be : 2
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- 3GM a -
- 2GM a -
- GM a -
- 4GM a
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Correct Option: A
Potential at the given point = Potential at the point due to the shell + Potential due to the particle
| = - | - | = - | ||||
| a | a | a |
