Post-UTME Physics 2019 Objective — Question 6
Question 6 of 20 from the Post-UTME Screening (Post-UTME) Physics 2019 Objective paper, with the correct answer and a full explanation.
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Which of the following is NOT correct about the assumptions of the kinetic theory?
- A. The attraction between the molecules is negligible
- B. The volume of the molecules is negligible compared with the volume occupied by the gas
- C. The molecules of the gas behave like perfectly inelastic spheres.Correct
- D. The duration of a collision is negligible compared with the time between collisions.
Explanation
Kinetic theory assumes molecules behave like perfectly ELASTIC spheres (not inelastic), so this statement is the incorrect one.
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