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Question 31004
JEE Physics · Medium

Kinetic Theory and Thermodynamics: Pressure and KE MCQ

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Pressure and KEMediumQuestion 31004

Question

Pressure of an ideal gas in terms of mean square speed (v²̄) is:
  1. A
    P = ρv̄²/3
    Correct
  2. B
    P = ρv̄/3
  3. C
    P = ρv̄²
  4. D
    P = mv̄²/3

Correct answer

P = ρv̄²/3

Explanation

From kinetic theory: P = (1/3)ρ = (1/3)(m/V)N.

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