TS EAMCET Medical 29 Sept 2020 Shift 2 Paper

A wire of 2 m has its one end fixed to a rigid support and a mass of 4 kg is suspended from the other end. If the radius of the wire is 0.2 mm. find the extension produced inthe wire.
• Neglect the mass of wire
• Assume g = 9.8 m/s2
• Y = 9.8 x 1010N/m2