t9revablguedacleb t9revablguedacleb

03-05-2017
Physics

contestada

Ultrasound consists of sound at frequencies _____.

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Arnold11 Arnold11

11-05-2017

So we want to know from which frequencies does ultrasound consist of. Sound, which human ear can hear is in the frequency range from 20 to 20000 Hz. Frequencies under 20 Hz are called infrasound and frequencies above 20000 Hz or 20 kHz are called ultrasound.

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