JAMB - Physics (2025 - No. 6)
According to the kinetic theory of gases, the pressure exerted by a gas on the walls equals.
Momentum imparted to the walls per unit area.
Change in momentum per unit volume.
Change in momentum imparted to the walls per unit area.
Rate of change of momentum imparted to the walls per second per unit area.
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.)
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