Q. If number of molecules of $H_{2}$ are double than that of $O_{2},$ then ratio of kinetic energy of hydrogen and that of oxygen at $300\ K$ is
A) $1\ :1$
B) $1\ :2$
C) $2\ :1$
D) $1\ :16$
Explanation
(a) K.E. is function of temperature. So $\frac{E_{H_{2}}}{E_{O_{2}}} = \frac{1}{1}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.