what are beats? Write the essential condition for the formation of Beats explain the formation of Beats by graphical method how will you find the count frequency of A tuning fork using this method?
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Beats are generated when two sounds have similar frequency. The effect is that the sound’s amplitude or volume oscillates or beats. The beat phenomenon is caused by constructive and destructive interference. The picture below shows
the beat generated by two tuning forks with very close frequencies.
The graph above is amplitude (sound pressure) vs. time. The period of the beat
is defined as the time from one peak to the next, or the time between
amplitude (volume) maximum.
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