Q. Sound velocity is maximum in
A) $H_{2}$
B) $N_{2}$
C) $He$
D) $O_{2}$
Explanation
(a) $v = \sqrt{\frac{\gamma RT}{M}} \Rightarrow v \propto \sqrt{\frac{\gamma}{M}}.$ Since $\frac{\gamma}{M}$ is maximum for $H_{2}$ so sound velocity is maximum in $H_{2}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.