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A metal wire of length L is suspended ve...

A metal wire of length L is suspended vertically from a rigid support ., When a body of mass m is attached to the lower end of the wire , the elongation of wire is 'l'.

A

The loss in gravitational potential energy of mass 'M' is Mgl

B

The elastic potential energy stored in the wire is Mgl

C

The elastic potential energy stored in the wire is 1/2Mgl

D

Heat produced is 1/2 Mgl

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A, B, C
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