Question

Difference between the infrasonic and ultrasound

Answer 1

infrasonic sounds are sounds having a frequency of below 20hz and ultrasonic sounds are sounds which are above our hearing range , that is above 20,000hz

Answer 2

Infrasonic are the sound waves which have a frequency less than 20Hz and ultrasonic sound waves are the sound waves which have frequency more than 20,000 Hz ,also both sounds are inaudible to human beings.