Q. A gas is allowed to expand isothermally. The root mean square velocity of the molecules
A) Will increase
B) Will decrease
C) Will remain unchanged
D) Depends on the other factors
Explanation
(c) No change, because $rms$ velocity of gas depends upon temperature only
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.