What is the audible range of the average human ear ?

What is audible range ?

(i) What is the audible range for human beings ? (ii) What is the harmful effect of loud music on our hearing system ?

The audible range of frequency is

What is meant by audible range for human beings ? Give its frequency range as well.

Humans cannot hear all the sounds produced in their surroundings. The sounds whose frequencies fall in the audible range can only be heard by humans. The lower limit of the audible range for human ears is 20 Hz and the upper limit is a xx 10^(b) Hz. What are the respective values of a and b?

What is the range of vision of a normal human eye ?

What is the range of the beat frequency heard by the human ?