Question

If the pressure, temperature and density of an ideal gas are denoted by $\mathrm{P}, \mathrm{T}$ ancespectively, the velocity of sound in the gas is
(A) proportional to $\sqrt{P}$, when $T$ is constant.
(B) proportional to $\sqrt{\mathrm{T}}$.
(C) proportional to $\sqrt{P}$, when $\rho$ is constant.
(D) proportional to $\mathrm{T}$.

Answer 1

Ans: (B, C)
$$\mathrm{v}=\sqrt{\frac{\gamma \mathrm{RT}}{\mathrm{M}}}=\sqrt{\frac{\gamma \mathrm{P}}{\rho}}$$

Answer 2

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Answer 3

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