A rigid spherical body is spinning around an axis without any external torque. Due to temperature its volume increases by 3 %. Then percentage change in its angular speed is

Q: A rigid spherical body is spinning around an axis without any external torque. Due to temperature its volume increases by 3 %. Then percentage change in its angular speed is

(a) – 1%

(b) 1%

(c) – 2%

(d) – 3%

Ans: (c)