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NEET 2014 (AIPMT) · Mean Free Path & Real Gases

Mean Free Path & Real Gases question from NEET 2014 (AIPMT)

Q24NEET 2014 · AIPMTEasy

Mean Free Path & Real Gases

The mean free path of molecules of a gas, (radius r) is inversely proportional to

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Answer: (b)

  1. λ=12 nπd2\lambda = \dfrac{1}{\sqrt{2}\,n\pi d^2} with d=2rd = 2r, so λ∝1r2\lambda \propto \dfrac{1}{r^2}.
  2. So the answer is (b) r2r^2.
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