Kinetic Theory of Gases

Question: A given mass of a gas is allowed to expand freely until its volume becomes double. If ${{C}_{b}}$ and ${{C}_{a}}$ are the velocities of sound in this gas before and after expansion respectively, then ${{C}_{a}}$ is equal to

1) $2{{C}_{b}}$

2) $\sqrt{2}\,{{C}_{b}}$

3) ${{C}_{b}}$

4) $\frac{1}{\sqrt{2}}{{C}_{b}}$

Solution:

Explanation: No Explanation

Gas Laws

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