QJEEM24Pheec2: JEE Main 2024 Physics - Class 11 JEEM24Pheec2 Solution: At which temperature the r.m.s. velocity of a hydrogen molecule …

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At which temperature the r.m.s. velocity of a hydrogen molecule equal to that of an oxygen molecule at $47^{\circ} \mathrm{C}$ ?

Accepted Answer

$\begin{aligned}& \sqrt{\frac{3 R T}{2}}=\sqrt{\frac{3 R(320)}{32}} \\& T=\frac{320}{16}=20 \mathrm{~K}\end{aligned}$

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