MHT CET 2024 Physics question

In an ideal gas at temperature T, the average force that a molecule applies on the walls of a closed container depends on T as the value of x is

(A)0.25
(B)2
(C)0.5
(D)1Correct

Answer: (D)

Solution

Consider a molecule of mass and speed moving between two opposite walls of a container of length . Momentum change per collision and the time between successive collisions with the same wall is . The average force is

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Question ID VK-095435