Kinetic Theory of Gases · JEE Main previous year questions

2025 2 questions

1. Q422025 · 4 Apr 2025 · Shift 1

   The mean free path and the average speed of oxygen molecules at 300 K and 1 atm are $3\times 10^{-7}\mathrm{m}$ and $600m/s$, respectively. Find the frequency of its collisions.

   1. A.$5\times 10^8/\mathrm{s}$
   2. B.$9\times 10^5/\mathrm{s}$
   3. C.$2\times 10^{10}/\mathrm{s}$
   4. D.$2\times 10^9/\mathrm{s}$
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   Answer: D

2. Q382025 · 28 Jan 2025 · Shift 1
   
   1. A.
   2. B.
   3. C.
   4. D.
   Show answer

   Answer: C