Q. When two bodies $A$ and $B$ are in thermal equilibrium
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
Explanation
The correct answer is Option C: The internal energies of the two bodies will be equal.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.