A steel wire is 4.0 m long and 2 mm in diameter. Young’s modulus of steel is `1.96 xx 10^(11) N//m^
Channel: Doubtnut
Date: 08/11/2021

A steel wire is 4.0 m long and 2 mm in diameter. Young’s modulus of steel is `1.96 xx 10^(11) N//m^(2)`. If a mass of 20 kg is suspended from it the elongation produced will be-