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If the P.E. of a system of two atoms ( d...

If the P.E. of a system of two atoms ( diatomic molecule) is given by `U(x) = -2 + 3( x-x_(0))^(2)`, where `x_(0)` is equilibium separation than

A

The restoring force is`-6 ( x-x_(0))`

B

Acceleration of the one action with respect to other is other is `- ( 6 ( x-x_(0)))/(mu)[mu rarr` reduced of system ]

C

The restoring force is `( 3)/(2) ( x-x_(0))`

D

The acceleratoin of atom is ` - ( 3)/(2mu) ( x-x_(0))`

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