A 2m long rod of radius 1 cm which is fixed from one end is given a twist of 0.8 radians the shear strain developed will be

A 2 m long rod of radius 1 cm which is fixed from one end is given a twist of 0.8 radians. The shear strain developed will be

A 2 m long rod of radius 1 cm which is fixed from one end is given a twist of 0.8 radius. The shear strain developed will be

A 2 m long rod of radius 1 cm which is fixed from one end is given a twist of 0.8 radius. The shear strain developed will be

A 2 m long rod of radius 1 cm which is fixed from one end is given a twist of 0.8 radians at the other end. The shear strain developed will be

A steel rod of length 1 m is heated from 25^@ "to" 75^@ C keeping its length constant. The longitudinal strain developed in the rod is ( Given, coefficient of linear expansion of steel = 12 xx 10^-6//^@ C ).