A uniform nickel wire of length 3.14 m and radius `10^(-3)` hangs vertically. If a mass of 20 kg is
Channel: Doubtnut
Date: 07/06/2020

A uniform nickel wire of length 3.14 m and radius `10^(-3)` hangs vertically. If a mass of 20 kg is attached to its free end. The extension in the wire is, (Young's modulus of nickel `=20xx10^(10)N//m^(2)`)