JEE · NEET Previous Year Question

Consider an ideal gas at pressure , volume and temperature . The mean free path for molecules of the gas is . If the radius of gas molecules, as well as pressure, volume and temperature of the gas are doubled, then the mean free path will be

Topic: JEE PYQ

Answer: B. Full step-by-step solution below.

  1. A
  2. B
  3. C
  4. D

Correct answer: B

Solution

(b) Mean free path
Temperature
Diameter
Pressure
As radius gets doubled. So is diameter. New mean free path will be

The mean free path .

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