Maxwell's Speed Distribution Law

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Maxwell's Speed Distribution Law: Overview

This topic covers concepts, such as, Molecular Speeds, Maxwell's Distribution of Velocities, Mean Speed of Molecules & Most Probable Speed of Molecules etc.

Important Questions on Maxwell's Speed Distribution Law

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The ratio amongst most probable velocity, mean velocity and root mean square velocity is given by

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At what temperature the root-mean-square speed of nitrogen at 27 °C would be tripled?

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The average speed of gas molecules is equal to 

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Assertion: Consider a system of gas having N molecules; Instantaneous K.E. of few molecules can be greater than average K.E. of the molecules of the given gas.

Reason: Number of molecules having most probable speed is greater than number of molecules having average speed.

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The gas having average speed four times as that of SO2 (molecular mass 64) at the same temperature, is

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Let v¯, vrms and vp respectively denote the mean speed, the root-mean-square speed, and the most probable speed of the molecules in an ideal monoatomic gas at absolute temperature T. The mass of a molecules is m -

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The rms speed of hydrogen is 7 times the rms speed of nitrogen. If T is the temperature of the gas, then

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An ideal gas is maintained at constant pressure. If the temperature of an ideal gas increases from 100 K to 10000 K.What affect does it cause on the rms Speed?

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Which of the following gases will have least rms speed at a given temperature?

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Which of the following statement is wrong about Maxwell's distribution curve?

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What happens when the gas becomes hotter?

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How can we find the most probable speed of molecules using maxwell's distribution curve for velocities of molecules of a gas?

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Area under maxwell distribution represents the number of number of molecules per unit volume.

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The speed of sound in hydrogen gas at N.T.P is 1328 m s-1 If the density of hydrogen is 1th16 of that of air, then the speed (in m s-1 ) of sound in air at N.T.P is (air can be taken as a diatomic gas)

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If m represents the mass of each molecule of a gas and T its absolute temperature, then the root mean-square velocity of the gaseous molecule is proportional to

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N (<100) molecules of a gas have velocities 1,2,3,...N km s-1 respectively. Then

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An N2 molecule is 14 times heavier than a H2 molecule. At what temperature will the rms speed of H2 molecule be equal to that of N2 molecule at 27°C?

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The velocity of five particles in m s-1 are 3, 9, 4, 15, 2. Calculate r.m.s. speed in m s-1.

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The root mean square velocity of a perfect gas is

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The root mean square velocity of a gas molecule at 27  is 1365 m s-1. The gas is