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JEE Main20254 Apr 2025Morning ShiftPhysicsKinetic Theory of GasesActual

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 its collisions.

Options

  1. A2 10¹⁰ / s
  2. B9 10^5 / s
  3. C2 10^9 / s
  4. D5 10^8 / s

Correct answer

C. 2 10^9 / s

Step-by-step solution

aligned & Frequency = 1 T = V_ avg & = 600 3 157 =2 10^9 sec ⁻¹ aligned

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