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Byju's Answer
Standard IX
Physics
Sonar and Radar
Sound waves w...
Question

Sound waves with frequency greater than 20 kHz are called:

A

ultrasound

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B

infrasound

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C

supersound

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D

megasound

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Solution

The correct option is B. ultrasound

Sound waves with frequencies greater than 20 KHz are called ultrasound.

Ultrasounds are the vibrations of frequencies greater than the upper limit of the audible range for humans, that is, greater than 20kHz.


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