Question

what are ultrasonics?​

Answer 1

Ultrasound is sound waves with frequencies higher than the upper audible limit of human hearing. Ultrasound is not different from "normal" (audible) sound in its physical properties, except that humans cannot hear it.

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Answer 2

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The definition of ultrasonic, also known as ultrasound, is sound waves that have a higher frequency than the human ear can hear.

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