At a pressure of 24 x 105 dyne / cm2 the volume of O2 is 10 lit and mass is 20 gm. The r.m.s velocity will be

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800 m/s

400 m/s

600 m/s

200 m/s

answer is C.

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Detailed Solution

Vrms=3RTM PV=nRT; PV=mMRT ; RTM=PVm M is the molecuar wieight and m is the mass or the gasVrms= 3PVm= 3×24×104×10×10-320×10-3 =600 m/s

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