The speed of sound in a gas of density \( \rho \) at a pressure \( ...

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The speed of sound in a gas of density \( \rho \) at a pressure \( P \) is proportional to
[Kerala PET 2011]
\( \mathrm{P} \)
(a) \( \left(\frac{p}{\rho}\right)^{2} \)
(b) \( \left(\frac{P}{\rho}\right)^{3 / 2} \)
W
(c) \( \sqrt{\frac{\rho}{P}} \)
(d) \( \sqrt{\frac{P}{\rho}} \)
(e) \( \left(\frac{\rho}{D}\right)^{2} \)
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