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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 bob of mass `M` is attached to the lower end of wire, the elongation of the 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)/(2)Mgl`

D

Heat produced is loss of mechanical energy of system is `(1)/(2)Mgl`

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The correct Answer is:
A, C, D
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