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Physics-

General

Easy

Question

If $V subscript m end subscript$ is the velocity of sound in moist air, $V subscript d end subscript$ is the velocity of sound in dry air, under identical conditions of pressure and temperature

$V_{m} < V_{d}$
$V_{m} > V_{d}$
$V_{m} V_{d} = 1$
$V_{m} = V_{d}$

The correct answer is: $V subscript m end subscript greater than V subscript d end subscript$

From the relation, $v subscript m end subscript equals square root of fraction numerator gamma p over denominator rho end fraction end root$
Where, p=pressure of the gas
Ρ=density of the gas
Since, density of moist air is less than that of dry air
i.e., $rho subscript m end subscript less than rho subscript d end subscript$
Therefore, $v subscript m end subscript greater than v subscript d end subscript$

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