Science, asked by aaky020506, 1 year ago

what do you mean by ultrasonic sound

Answers

Answered by shreyabiju

4

Ultrasound is sound waves with frequencies higher than the upper audible limit of human hearing. Ultrasound is not different from "normal" sound in its physical properties, except that humans cannot hear it. This limit varies from person to person and is approximately 20 kilohertz in healthy young adults.

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