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NEET 2020 (Phase 2) · Mean Free Path & Real Gases

Mean Free Path & Real Gases question from NEET 2020 (Phase 2)

Q16NEET 2020 · PHASE 2Easy

Mean Free Path & Real Gases

The mean free path ℓ\ell for a gas molecule depends upon diameter, dd of the molecule as

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Answer: (b)

  1. Mean free path: ℓ=12 nπd2\ell = \dfrac{1}{\sqrt{2}\,n\pi d^2}
  2. So ℓ∝1d2\ell \propto \dfrac{1}{d^2}; the answer is (b).
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