A brass rod of cross-sectional area `1cm^(2)` and length 0.2 m
Channel: Doubtnut
Date: 2020-01-28

A brass rod of cross-sectional area `1cm^(2)` and length 0.2 m is compressed lengthwise by a weight of 5 kg. if young\'s modulus of elasticity of brass is `1xx10^(11)N//m^(2)` and `g=10m//sec^(2)` then increase in the energy of the rod will be