The audible frequency for a normal human being is `20 Hz` to `20 kHz`. Fuind the corresponding
Channel: Doubtnut
Date: 2020-04-12

The audible frequency for a normal human being is `20 Hz` to `20 kHz`. Fuind the corresponding wavelengths if the speed of sound in air `320 m//s`.   (b) Find the phase difference between two position separated by `20 cm` at a particular instant.