Physics · 2025
JEE Main · 4 April 2025, Shift 1 · Q35
The mean free path and the average speed of oxygen molecules at 300 K and 1 atm are 3 × 10^-7 m and 600 m / s, respectively. Find the frequency of…
The mean free path and the average speed of oxygen molecules at $\displaystyle 300$ K and $\displaystyle 1$ atm are $\displaystyle 3 \times 10^{-7} m$ and $\displaystyle 600 \mathrm{~m} / \mathrm{s}$, respectively. Find the frequency of its collisions.
Official answer
From NTA’s final answer key for this paper.
(3)
$\displaystyle 2 \times 10^9 / \mathrm{s}$
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JEE Main 2025 Physics question, with the answer from NTA’s final answer key. Where our answers come from.