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Four particles each of mass m are placed...

Four particles each of mass m are placed at the vertices of a square of side l. the potential at the centre of square is

A

`-2 (Gm)/(l)`

B

`-3sqrt2 (Gm)/(l)`

C

` - 2 sqrt2 (Gm)/(l)`

D

` -4sqrt2 (Gm)/(l)`

Text Solution

Verified by Experts

The correct Answer is:
D
` -4sqrt2 (Gm)/(l)`
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