# NEET Physics Kinetic Theory of Gases Questions Solved

A cubical box with porous walls containing an equal number of ${\mathrm{O}}_{2}$ and ${\mathrm{H}}_{2}$ molecules is placed in a large evacuated chamber. The entire system is maintained at constant temperature T. The ratio of ${\mathrm{v}}_{\mathrm{rms}}$ of ${\mathrm{O}}_{2}$ molecules to that of the ${\mathrm{v}}_{\mathrm{rms}}$ of ${\mathrm{H}}_{2}$ molecules, found in the chamber outside the box after a short interval is

1.  $\frac{1}{2\sqrt{2}}$

2.  $\frac{1}{4}$

3.  $\frac{1}{\sqrt{2}}$

4.  $\sqrt{2}$

2. Temperature remain constant so

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