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The kinetic theory of gases breaks down at

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Important Questions on Kinetic Theory of Gases and Radiations

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The root mean square velocity of a gas molecule of mass m at a given temperature is proportional to

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Given: v1=3 m s-1, v2=4 m s-1 and v3=5 m s-1.  What is mean square velocity?

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If velocities of three molecules of gas are 3 m s-1, 4 m s-1 and 5 m s-1 Then What is the average velocity of gas ?

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If velocities of 3 molecules are 5 m s-1, 6 m s-1 and 7 m s-1 respectively, then their mean square velocity in m2 s-2 is

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Two molecules have velocities equal to +5 cm s-1 and -5 cm s-1. Their average and root mean square velocities respectively are

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Velocities of three molecules are 2, 3 and 4 m s-1 Ratio of mean velocity to $\mathrm{R.M.S.}$ velocity is

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Five molecules of gas have velocities 10, 20, 30, 40 and 50 m s-1. The ratio of R.M.S. speed to average speed is

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For two gases A &B ,TAMA=4TBMB . Here T is the temperature and M is molecular mass.If VRMS is the root-mean-square speed then VRMSAVRMSB is