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According to the kinetic theory of gases, the pressure exerted by a gas on the...

Physics
JAMB 2025

According to the kinetic theory of gases, the pressure exerted by a gas on the walls equals. 

  • A. Momentum imparted to the walls per unit area.
  • B. Change in momentum per unit volume.
  • C. Change in momentum imparted to the walls per unit area.
  • D. Rate of change of momentum imparted to the walls per second per unit area.
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Correct Answer: Option D
Explanation

D. Rate of change of momentum imparted to the walls per second per unit area. (Pressure = force/area = (rate of momentum change)/area from molecular collisions.)

There is an explanation video available below.


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Explanation Video

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