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A container contains helium gas at . What is the average linear momentum of a helium molecule of mass kg in the container?
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Correct option is A
Average linear momentum is given by pavg=mvavgBut vavg=8πRTMpavg=6.64×10–278π×8.314×2734×10−3=8×10–24kg m s–1.Similar Questions
N molecules, each of mass m of gas A, and 2N molecules, each of mass 2m of gas B, are contained in the same vessel which is maintained at a temperature T. The mean square of the velocity of the molecules of B type is denoted by and the mean square of the x-component of the velocity of A type is denoted by . The ratio . Find N.
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