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Find the temperature at which oxygen mol...

Find the temperature at which oxygen molecules would have the same rms speed as of hydrogen molecules at `300 K`.

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The correct Answer is:
D
If (T) be the corresponding temperature,
`sqrt((2 R T)/(M_(O))) = sqrt((3 R(300))/(M_(H)))`
:. `T = (300)((M_O)/(M_H))`
= `4800 K`.
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