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The temperature of a ideal gas is increased for 100 k to 400k. If at 100 K the root mea square velocity of the gas molecules is v, at 400K it becomesA. 4vB. 2vC. v/2D. v/4 |
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Answer» Correct Answer - B `C_(rms)=sqrt((3RT)/(M))` or `C_(rms)alphasqrt(T)` `((C_(rms))_(T_(2)))/((C_(rms))_(T_(1)))=sqrt((T_(2))/(T_(1)))=sqrt((400)/(100))=2` `(C_(rms))_(T_(2))=2(C_(rms))_(T_(1))=2xxv=2v` |
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