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What is R.M.S speed?...

What is R.M.S speed?

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The square root of mean of the squares of the speeds of all molecules of a gas is known as RMS speed ` (u_(RMS))`
` u_(rms )= sqrt((u_(1)^(2)+ u_(2)^(2) + " ……." +u_(n)^(2))/( n_1 +n_2 +"….."))`
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