Question

what do you mean by ultrasonics​

Answer 1

Explanation:

Ultrasonics, vibrations of frequencies greater than the upper limit of the audible range for humans—that is, greater than about 20 kilohertz. The term sonic is applied to ultrasound waves of very high amplitudes.

Answer 2

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Ultrasonics, vibrations of frequencies greater than the upper limit of the audible range for humans—that is, greater than about 20 kilohertz. The term sonic is applied to ultrasound waves of very high amplitudes.

• These include the use of ultrasound in medical diagnosis; in the treatment of certain diseases; in flaw-detection and navigation systems; for control systems in industry; for cleaning; in the operation of drills and saws; and in various metal-working

processes.