JEE Mains Model Paper 1

A steel wire ( original length 1.5 m, original cross-sectional area 10−6m2 ) and a brass wire( original length 1 m, original cross sectional area 2 x 10−6m2 ) are loaded as shown.Whatis the ratio of the extensions of steel and brass wires. Young's modulus of steelis 2 x 1011Nm−2 and that of brass is 1 × 1011Nm−2. Take g = 10 ms−2