A partition divides a container having insulated walls into two compartments $I$ and $II$. the same gas fills the two compartments. The ratio of the number of molecules in compartments $I$ and $II$ is
A$1:6$
B$6:1$
C$4:1$
D$1:4$
Medium
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D$1:4$
d (d) $n = \frac{{PV}}{{kT}}$ Now, $n' = \frac{{(2P)(2V)}}{{kT}} = 4\frac{{PV}}{{kT}} = 4n$ or $\frac{n}{{n'}} = \frac{1}{4}$.
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