Question

Where and how are beats are made use of ?

Answer 1

$\mathsf \red{what \: is \: meant \: by \: the \: term \: beats \: ?}$

The phenomena in which when two sound waves of nearly equal frequencies travelling along the same direction superimpose on each other the intensity of the resultant wave at a given point in the medium become maximum and minimum periodically is called beats

Importance of Beats :-

1. Beats are used in detecting dangerous gases in mines.

2. Beats are used to produce special effects in cinematography.

3. The phenomenon of Beats can be used to determine an unknown frequency of a note.

4. These are also used to tune and instrument to give a note.

Answer 2

The phenomena in which when two sound waves of nearly equal frequencies travelling along the same direction superimpose on each other the intensity of the resultant wave at a given point in the medium become maximum and minimum periodically is called beats

Importance of Beats :-

1. Beats are used in detecting dangerous gases in mines.

2. Beats are used to produce special effects in cinematography.

3. The phenomenon of Beats can be used to determine an unknown frequency of a note.

4. These are also used to tune and instrument to give a note.