A block of mass $M$ is suspended from a wire of length $L$, area of cross-section $A$ and Young's modulus $Y$. The elastic potential energy stored in the wire is
A block of mass $M$ is suspended from a wire of length $L$, area of cross-section $A$ and Young's modulus $Y$. The elastic potential energy stored in the wire is
- A
$\frac{1}{2}\frac{{{M^2}{g^2}L}}{{AY}}$
- B
$\frac{1}{2}\frac{{Mg}}{{AYL}}$
- C
$\frac{1}{2}\frac{{{M^2}{g^2}A}}{{YL}}$
- D
$\frac{1}{2}\frac{{MgY}}{{AL}}$
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- [KVPY 2014]
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