(A) Sound waves are mechanical waves that require a medium to travel. In air,particles oscillate parallel to the direction of wave propagation,making

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The sound waves in air are longitudinal while the light waves in air are transverse

(A) Sound waves are mechanical waves that require a medium to travel. In air,particles oscillate parallel to the direction of wave propagation,making them longitudinal waves.Light waves are electromagnetic waves that do not require a medium. They consist of oscillating electric and magnetic fields perpendicular to the direction of propagation,making them transverse waves.Therefore,the correct statement is that sound waves in air are longitudinal while light waves in air are transverse.

Class 11 Physics Waves and Sound Sound Waves (Longitudinal wave) and it’s Characteristics (Speed etc.)

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Which one of the following statements is true?

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A
The sound waves in air are longitudinal while the light waves in air are transverse
B
Both light and sound waves in air are transverse
C
Both light and sound waves in air are longitudinal
D
The sound waves are transverse and light waves are longitudinal

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Waves and Sound

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Sound Waves (Longitudinal wave) and it’s Characteristics (Speed etc.)

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An engine approaches a hill with a constant speed. When it is at a distance of $0.9 \, km$,it blows a whistle whose echo is heard by the driver after $5 \, s$. If the speed of sound in air is $330 \, m/s$,then the speed of the engine is .... $m/s$.

DifficultJEE MAIN 2013

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Two sound sources produce waves at a certain temperature in air with wavelengths $50 \text{ cm}$ and $50.5 \text{ cm}$ respectively. The frequencies of the sources differ by $6 \text{ Hz}$. The velocity of sound in air at the same temperature is (in $\text{ m/s}$)

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$A$ train,standing in a station yard,blows a whistle of frequency $400 \, Hz$ in still air. The wind starts blowing in the direction from the yard to the station with a speed of $10 \, m/s$. Given that the speed of sound in still air is $340 \, m/s$. Mark the $INCORRECT$ statement:

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Which one of the following statements is true?

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$A$ sound wave passing through an ideal gas at $NTP$ produces a pressure change of $0.001 \ dyne/cm^2$ during adiabatic compression. The corresponding change in temperature $(\gamma = 1.5$ for the gas and atmospheric pressure is $1.013 \times 10^6 \ dyne/cm^2)$ is:

The velocities of sound at the same pressure in two monatomic gases of densities ${\rho _1}$ and ${\rho _2}$ are $v_1$ and $v_2$ respectively. If ${\rho _1}/{\rho _2} = 2$,then the value of $\frac{{{v_1}}}{{{v_2}}}$ is:

An engine approaches a hill with a constant speed. When it is at a distance of $0.9 \, km$,it blows a whistle whose echo is heard by the driver after $5 \, s$. If the speed of sound in air is $330 \, m/s$,then the speed of the engine is .... $m/s$.

Two sound sources produce waves at a certain temperature in air with wavelengths $50 \text{ cm}$ and $50.5 \text{ cm}$ respectively. The frequencies of the sources differ by $6 \text{ Hz}$. The velocity of sound in air at the same temperature is (in $\text{ m/s}$)

$A$ train,standing in a station yard,blows a whistle of frequency $400 \, Hz$ in still air. The wind starts blowing in the direction from the yard to the station with a speed of $10 \, m/s$. Given that the speed of sound in still air is $340 \, m/s$. Mark the $INCORRECT$ statement:

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