Physics · 2020
NEET 2020 · 13 September · Code E1 · Q155
The mean free path for a gas, with molecular diameter d and number density n can be expressed as:
The mean free path for a gas, with molecular diameter $\displaystyle d$ and number density $\displaystyle n$ can be expressed as :
Official answer
From NTA’s final answer key for this paper.
(2)
$\displaystyle \frac{1}{\sqrt{2} n \pi \mathrm{~d}^2}$
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NEET (UG) 2020 Physics question, with the answer from NTA’s final answer key. Where our answers come from.