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Question 31077
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Kinetic Theory and Thermodynamics: KTG MCQ

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KTGHardQuestion 31077

Question

Effusion rate of gas through a small hole (Graham's law) is proportional to:
  1. A
    √M
  2. B
    1/√M
    Correct
  3. C
    M
  4. D
    1/M

Correct answer

1/√M

Explanation

Graham's law: rate of effusion ∝ 1/√M. Lighter molecules effuse faster. Used in uranium enrichment via UF₆ effusion.

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