Tag: range of hearing
Questions Related to range of hearing
A man fires a gun and hears the echo after $2\,\frac{1}{2}sec$. If the velocity of sound in air is $340ms^{-1}$ his distance from the cliff causing the echo is
A sound wave of pressure amplitude $5$ pascal propagates through the air medium. The normal pressure of air is $1.0\times10^5 N/m^2$. The difference between maximum and minimum pressure in the medium is
A siren emitting a sound of frequency $1000 Hz$ moves away from you towards a cliff at a speed of $10 m/s$ [speed of sound in air $330 m/s$] Then.
A person moving in a car with a velocity of $36kmph $ towards a fort wall blows a horn. If he hears the echo after $3s$, the distance of the wall from him. when he blows then horn (velocity of sound $340ms^P{-1}$)
Bats detect the obstacles in their path by receiving the reflected
Echocardiography is used to diagnose heart diseases which utilises infrasonic waves.
The frequency of a wave is 5 Hz. It refers to (type of wave) ___________.
Sound of frequency below $20 \ Hz$ is called
The sounds having frequency less than 20 Hz are called ultrasonics.
Human ears can sense sound wave travelling in air having wavelength of ................... .
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