Question

hlw guys
what r the ultrasonic waves​

Answer 1

ello✌️

Ultrasonic waves are sound waves transmitted above the human-detectable frequency range, usually above 20,000 Hz. They are used by some animals and in medical or industrial technological devices

hope this helps

Answer 2

Explanation:

ultrasonic is sound waves with frequencies higher than the upper audible limit of human hearing.

human cannot hear ultrasonic sound .

ultrasonic sound is more than 20 kilo hertz