Q. The rate of diffusion of hydrogen is about
A) One half that of helium
B) 1.4 times that of helium
C) Twice that of helium
D) Four times that of helium
Explanation
(b)
$\frac{r_{H}}{r_{He}} = \sqrt{\frac{M_{He}}{M_{H}}}$
$= \sqrt{\frac{2}{1}\ }$
$\frac{r_{H}}{r_{He}} = 1.414$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.