Topic: Viscosity, Stokes' law, terminal velocity, streamline and turbulent flow, critical velocity· Properties of Solids and Liquids
A small sphere of radius 'r' falls from rest in a viscous liquid. As a result, heat is produced due to viscous force. The rate of production of heat when the sphere attains its terminal velocity, is proportional to
1. \(r^3\)
2. \(r^5\)
3. \(r^2\)
4. \(r^4\)