Q. The kinetic energy, due to translation motion, of most of the molecules of an ideal gas at absolute temperature $T$ is
A) $kT$
B) $k/T$
C) $T/k$
D) $1/kT$
Explanation
(a) Most probable speed $v_{mp} = \sqrt{\frac{2kT}{m}} \Rightarrow \frac{1}{2}mv_{mp}^{2} = kT$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.