Medium
Write Newton's equation for the speed of a sound wave in air.
(N/A) Newton assumed that the propagation of sound waves in air is an isothermal process,meaning the temperature of the air remains constant during the compression and rarefaction cycles.
According to Newton,the speed of sound $v$ in a gas is given by the formula:
$v = \sqrt{\frac{P}{\rho}}$
Where:
$P$ is the pressure of the gas.
$\rho$ is the density of the gas.
This formula is known as Newton's formula for the speed of sound.
According to Newton,the speed of sound $v$ in a gas is given by the formula:
$v = \sqrt{\frac{P}{\rho}}$
Where:
$P$ is the pressure of the gas.
$\rho$ is the density of the gas.
This formula is known as Newton's formula for the speed of sound.
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$A$ plane wave of sound traveling in air is incident upon a plane surface of a liquid. The angle of incidence is $60^{\circ}$. The speed of sound in air is $300 \ m/s$ and in the liquid it is $600 \ m/s$. Assume Snell's law to be valid for sound waves.
Difficult
View SolutionOut of hot moist air and dry cold air,in which does sound travel faster?
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View Solution$Assertion :$ The base of Laplace correction was that exchange of heat between the region of compression and rarefaction in air is negligible.
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$Reason :$ Air is a bad conductor of heat and the velocity of sound in air is quite large.
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