Question

What is the difference between infrasonic sound and ultrasonic sounds please explain in brief and please explain also the unit of frequency .

Answer 1

infrasonic below 20 Hertz
ultrasonic above 20000 Hertz
unit of frequency is Hertz
hope it will help you

Answer 2

infrasonic sound the sound which does not haer by human ear and it this is below 220 Hertz
ultrasonic sound is hair not by the human ear and the sound is high than 20000 Hertz
hertz (Hz)
there are many application of ultrasound
you know about ultrasound the ultrasonic wave is used during the ultrasound