Speed of sound in a gas is \( v \) and r.m.s. velocity of the gas m...

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Speed of sound in a gas is \( v \) and r.m.s. velocity of the gas molecules is \( c \). The ratio of \( v \) to \( c \) is
\( \mathrm{P} \)
[CPMT 1983; Bihar CEET 1995; MP PMT 2001, 02]
W
(a) \( \frac{3}{\gamma} \)
(b) \( \frac{\gamma}{3} \)
(c) \( \sqrt{\frac{3}{\gamma}} \)
(d) \( \sqrt{\frac{\gamma}{3}} \)
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