When two bodies A and B are in thermal equilibrium

Options

A. The kinetic energies of all the molecules of A and B will be equal
B. The potential energies of all the molecules of A and B will be equal
C. The internal energies of the two bodies will be equal
D. The average kinetic energy of the molecules of the two bodies will be equal

Answer

C

Explanation

As T = constant, `:. Delta U rarr` Remains same.