Question

sound wave of which of the following frequency on ultrasound sound​

Answer 1

Explanation:

the sound which have frequency more than 20000Hz( 20KHz) is called ultrasonic sound .

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Answer 2

Answer:

Ultrasound is not different from normal sound in its physical property accept that human cannot hear it. this limit various from person to person is approximately 20 kiloHertz in health young adults ultrasound device operate with frequency from 20 khz up to several giga hertz.

Explanation:

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