Physics - Elasticity Question with Solution | TestHub

A steel wire of length 2 m and Young's modulus $2.0\times 10^{11}{\mathrm{Nm}}^{-2}$ is stretched by a force. If Poisson ratio and transverse strain for the wire are 0.2 and $10^{-3}$ respectively, then the elastic potential energy density of the wire is _______ $\times 10^5$ (in SI units)