A metal rod of Young's modulus `2 xx 10^(10) Nm^(-2)` undergoes elastic strain of 0.06%.
Channel: Doubtnut
Date: 2020-05-24

A metal rod of Young's modulus `2 xx 10^(10) Nm^(-2)` undergoes elastic strain of 0.06%. The energy per unit volume stored (in `Jm^(-3)`) is