Question

whar is ultra sonic and infrasonic sound wave

Answer 1

Ultrasonic sound waves are sound waves with frequencies more than 20000 Hz.

Infrasonic sound waves are sound waves with frequencies less than 20 Hz.

Hope it helps! :)

Answer 2

Ultra sonic sounds are those sounds which have range more than 200000 hertz
where infrasonic sounds are those sound which has range very less than 20 hertz.......

The ultra sonic sounds are created by the bats at night and the infrasonic sounds are created by the ants ....which both are out of the human audible range.......