Questions

If the rms velocity of oxygen molecule at certain temperature is 0.5 km/s, the rms velocity for hydrogen molecule at the same temperature will be:

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2 km/s

4 km/s

9 km/s

16 km/s

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detailed solution

Correct option is A

vrms∞1Mw v1v2=M2M1=232=14 vH2=4vO2=2 km/s

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