Consider a sample | KTG & THERMODYNAMICS

JEE MAIN 2021

18-03-21 S2

Question

Consider a sample of oxygen behaving like an ideal gas. At 300 K , the ratio of root mean square (rms) velocity to the average velocity of gas molecule would be : (Molecular weight of oxygen is $32 \mathrm{~g} / \mathrm{mol}$; $\left.\mathrm{R}=8.3 \mathrm{~J} \mathrm{~K}^{-1} \mathrm{~mol}^{-1}\right)$

Select the correct option:

$\sqrt{\frac{3}{3}}$

$\sqrt{\frac{8}{3}}$

$\sqrt{\frac{3 \pi}{8}}$

$\sqrt{\frac{8 \pi}{3}}$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution