Q. In thermal equilibrium, the average velocity of gas molecules is
A) Proportional to $\sqrt{T}$
B) Proportional to $T^{2}$
C) Proportional to $T^{3}$
D) Zero
Explanation
(a) $v_{average} = \sqrt{\frac{8RT}{\pi M}} \Rightarrow v_{av} \propto \sqrt{T}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.