At Which Temperature... |JEE Main 2024| KTG & Thermodynamics

JEE-Main_2024

30.01.24_(S1)

Question

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

Select the correct option:

80K

-73 K

4 K

20K

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

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

Question Tags

JEE Main

Physics

Easy

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