A body of mass `M` is attached to the lower end of a metal wire, whose upper end is fixed . The elongation of the wire is `l`.

Options

A. Loss in gravitational potential energy of 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 `1/2` Mgl.

Answer

A, C, D