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A particle of mass m is placed inside a ...

A particle of mass m is placed inside a spherical shell, away from its centre. The mass of the shell is M.

A

The particle will move towards the centre.

B

The particle will move away from the centre, towards the nearest wall.

C

The particle will move towards the centres if `m lt M`, and away from the centre if `m gt M`.

D

The particle will remain stationary.

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The correct Answer is:
D
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