What is the beat frequency, when two waves of frequency 450 Hz and 456 Hz are superimposed?

What is the beat frequency, when two waves of frequency 450 Hz and 456 Hz are superposed?

Beats are produced when two progressive waves of frequency 256 Hz and 260 Hz superpose. Then the resultant amplitude change periodically with frequency of

Can beats be produced when two sources of frequencies 550 Hz and 600 Hz superpose ? Will we be ale to hear the beats ?

If two waves of frequencies n_(1) = 200 Hz and n_(2) = 205 Hz are superimposed, then the value of beat frequency will be

In half - wave rectification, what is the output frequency, if the input frequency is 50 Hz ? What is the output frequency of a full - wave rectifier for the same input frequency ?

A pipe closed at one end open at the other end, resonates with sound waves of frequency 135 Hz and also 165 Hz, but not with any wave of frequency intermediate between these two. Then, the frequency of the fundamental note is