Q. For a gas at a temperature $T$ the root-mean-square velocity $v_{rms},$ the most probable speed $v_{mp},$ and the average speed $v_{av}$ obey the relationship
A) $v_{av} > v_{rms} > v_{mp}$
B) $v_{rms} > v_{av} > v_{mp}$
C) $v_{mp} > v_{av} > v_{rms}$
D) $v_{mp} > v_{rms} > v_{av}$
Explanation
(b) $v_{rms} > v_{av} > v_{mp}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.