Question

Human beings cannot hear all frequencies give reason

Answer 1

Experiments have shown that a healthy young person hears all sound frequencies from approximately 20 to 20,000 hertz." "The maximum range of human hearing includes sound frequencies from about 15 to about 18,000 waves, or cycles, per second." "The general range of hearing for young people is 20 Hz to 20 kHz.

Answer 2

because human ears can listen upto 80dB(Decibels)