A bulb contains \( 1 \mathrm{~mol} \) of hydrogen mixed with one mole of oxygen at temperature \...

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A bulb contains \( 1 \mathrm{~mol} \) of hydrogen mixed with one mole of oxygen at temperature \( T \). The ratio of rms values of velocity of hydrogen molecules to that of oxygen molecules is
(A) \( 1: 16 \)
(B) \( 4: 1 \)
(C) \( 1: 4 \)
(D) \( 16: 1 \)
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