Question

the phenomena of neats can be used in finding​

Answer 1

Answer:

Beats. When two sound waves of different frequency approach your ear, the alternating constructive and destructive interference causes the sound to be alternatively soft and loud - a phenomenon which is called "beating" or producing beats

Beats are used in tuning musical instruments like sitar, violin, etc. ...

In the Sonometer experiment, beats can be used to adjust the vibrating length between the two bridges.

To find the frequency (N) of the given tuning fork beats can be used.

Detection of harmful gases in mines.