An elastic material of Young's modulus $Y$ is subjected to a stress $S$. The elastic energy stored per unit volume of the material is
An elastic material of Young's modulus $Y$ is subjected to a stress $S$. The elastic energy stored per unit volume of the material is
- [IIT 1992]
- [AIIMS 1997]
- [AIEEE 2005]
- A
$\frac{{2Y}}{{{S^2}}}$
- B
$\frac{{{S^2}}}{{2Y}}$
- C
$\frac{S}{{2Y}}$
- D
$\frac{{{S^2}}}{Y}$
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- [JEE MAIN 2022]