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Question 31072
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Kinetic Theory and Thermodynamics: Kinetic Theory MCQ

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Kinetic TheoryHardQuestion 31072

Question

Pressure exerted by gas of n molecules per unit volume, each of mass m, with mean square speed , is:
  1. A
    nm/3
    Correct
  2. B
    nm
  3. C
    nm/6
  4. D
    nm/2

Correct answer

nm/3

Explanation

P = (1/3)ρ = (1/3)(nm) where n = number density (molecules per m³) and m = mass per molecule.

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