# NEET Physics Kinetic Theory of Gases Questions Solved

A vessel is partitioned in two equal halves by a fixed diathermic separator. Two different ideal gases are filled in left (L) and right (R) halves. The rms speed of the molecules in L part is equal to the mean speed of molecules in the R part. Then the ratio of the mass of a molecule in L part to that of a molecule in R part is

1. $\sqrt{\frac{3}{2}}$

2. $\sqrt{\frac{\mathrm{\pi }}{4}}$

3. $\sqrt{\frac{2}{3}}$

4. $\frac{3\mathrm{\pi }}{8}$

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