MHT CET Physics question

The pressure exerted by the gas on the walls of a container is measured by

(A)rate of change of momentum imparted to walls per unit area of the wallCorrect
(B)momentum imparted to walls per unit area
(C)change of momentum imparted to walls per unit area
(D)change of momentum per unit volume

Answer: (A)

Solution

Pressure is force per unit area, and force equals rate of change of momentum, so pressure is the rate of change of momentum

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Question ID VK-062713