When a block of mass $M$ is suspended by a long wire of length $L$, the length of the wire become $(L+l) .$ The elastic potential energy stoped in the extended wire is :
When a block of mass $M$ is suspended by a long wire of length $L$, the length of the wire become $(L+l) .$ The elastic potential energy stoped in the extended wire is :
- [NEET 2019]
- A
$Mgl$
- B
$MgL$
- C
$\frac{1}{2} Mgl$
- D
$\frac{1}{2} \mathrm{MgL}$
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- [AIEEE 2003]
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- [AIIMS 2000]
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