Question

State True or False.

All inaudible sounds produces frequencies less than 20 Hz.

• A. True
• B. False

Answer 1

The correct option is B False

The frequency range of audible sound is $20Hz$ to $20000Hz$. Thus, the sound below the frequency 20 Hz is inaudible for human ear and the sound above the frequency 20000 Hz is inaudible for human ear. Thus, the given statement is false.