Q. The kinetic energy per $g\ mol$ for a diatomic gas at room temperature is
A) $3\ RT$
B) $\frac{5}{2}RT$
C) $\frac{3}{2}RT$
D) $\frac{1}{2}RT$
Explanation
(b) $E = \frac{f}{2}RT;f = 5$ for diatomis gas $\Rightarrow E = \frac{5}{2}RT$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.