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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:
A
$\sqrt{\frac{3}{3}}$
B
$\sqrt{\frac{8}{3}}$
C
$\sqrt{\frac{3 \pi}{8}}$
D
$\sqrt{\frac{8 \pi}{3}}$
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
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