engineering physics MCQ #2779

The root mean square speed of the molecules of an ideal gas is proportional to

engineering physics MCQ #2779

  1. Question 1

    Q1. The root mean square speed of the molecules of an ideal gas is proportional to

    • A) √T
    • B) T
    • C) 1/√T
    • D) 1/T

    Answer: √T

    Explanation: v_rms = √(3RT/M), so v_rms ∝ √T, derived from the kinetic theory of gases.