Given below are two statements : Statement I :The average m…

Physics Kinematics Relative Motion Single Correct MCQ

Published on: September 12, 2026

Given below are two statements :

Statement I :The average momentum of a molecule in a sample of an ideal gas depends on temperature.

Statement II : The rms speed of oxygen molecules in a gas is v. If the temperature is doubled and the oxygen molecules dissociate into oxygen atoms, the rms speed will become 2v.

In the light of the above statements, choose the correct answer from the options given below :

Both Statement I and Statement II are true

Both Statement I and Statement II are false

Statement I is true but Statement II is false

Statement I is false but Statement II is true

Text Solution

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The correct answer is:

[P avg = 0] (due to random motion)

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