Question

Are all sound audible to us? What is the audible range
of frequencies for human beings? What are other
sounds called, which are beyond this range?​

Answer 1

Answer:

nao, all sounds are not audible to us

Only sound between frequencies 20Hz to 20,000Hz* are audible for humans.

Ultrasounds and infrasounds are the sounds which humans cant hear

Ultrasounds: frequency of sound waves beyond (above) the human hearing range

Infrasounds: frequency of sound below human hearing range.

*20,000Hz=20kHz

Answer 2

Explanation:

20 hz to 20khz sound is only audible to human