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U(r)=A/(r^(2))-B/r, where is the distanc...

`U(r)=A/(r^(2))-B/r`, where is the distance from the centre of the force and A and B are positive constants.

A

The equilibrium distance is given by 2A/B

B

The work required move the particle from equilibrum distance to infinity is `(B^(2))/(4A)`

C

The work required move the particle from equilibrium distance to infinity is `B/(4A)`

D

Only a

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The correct Answer is:
A, B
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