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A gas consists of 5 molecules with a velocity of 5ms^(-1) , 10 molecules with a veclocity of 3ms^(-1) and 6 molecules with a velocity of 6ms^(-1). The ratio of average velocity and rms velocity of the molecles is 9.5xx10^(-x) Where x is……….

Answer»


Solution :Average VELOCITY `=(5xx5+10xx3+6xx6)/21=4.33`
RMS velocity `=SQRT((5xx25+10xx9+6xx36)/21)=4.53`
`(V_(av))/(V_("rms"))=0.955=9.5xx10^(-1)`
`x=1`


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