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Question 31002
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Kinetic Theory and Thermodynamics: Kinetic Theory MCQ

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Kinetic TheoryEasyQuestion 31002

Question

Gas pressure is caused by:
  1. A
    Weight of gas molecules
  2. B
    Molecular collisions with container walls
    Correct
  3. C
    Gravity
  4. D
    Molecular attraction

Correct answer

Molecular collisions with container walls

Explanation

Each molecular collision with a wall transfers momentum. Averaged over all collisions, this gives macroscopic pressure.

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