Question

1) Define pitch.
2)Differentiate between audible and inaudible sound

Answer 1

The sensation of a frequency is commonly referred to as the pitch of a sound. A high pitch sound corresponds to a high frequency sound wave and a low pitch sound corresponds to a low frequency sound wave.
We know that we can hear sounds of frequencies between 20 Hz and 20000 KHz.any sound in this frequency range is called audible sound and other sounds are inaudible sounds.