Q 11-12-045JEE MainJEE Main 2024 (5 Apr, Shift 2)Easy
If $n$ is the number density and $d$ is the diameter of the molecule, then the average distance covered by a molecule between two successive collisions (i.e. mean free path) is represented by
Answer: (C) $\dfrac{1}{\sqrt2\,n\pi d^2}$
$\lambda = \dfrac{1}{\sqrt2\,n\pi d^2}$.
Solution by Sreeraj P, M.Sc Physics