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Infrasonic Sound

Match the fre...

Question

Match the frequency range of the sound with its name.

A

10 Hz

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B

100 Hz

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C

40 kHz

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Solution

The range of frequency from 20 Hz to 20 kHz is the average frequency range of hearing in humans and are called audible sound.
The sound of frequencies lower than 20 Hz are known as infrasonic sounds.
The sound of frequencies higher than 20 kHz are known as ultrasonic sounds.

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