Question

difference between audible sound and infrasonic sound​

Answer 1

The main difference between infrasonic and audible sound is: The infrasonic sound is lower in frequency, which is less than 20Hz, i.e. lower than the frequency that can be heard by humans and hence are not audible to them.

Answer 2

Explanation:

The infrasonic sound is lower in frequency, which is less than 20Hz, i.e. lower than the frequency that can be heard by humans and hence are not audible to them. On the other hand, audible sound belongs to the frequency of 20Hz- 20000Hz, which can be heard by humans.