Three sound waves of equal amplitudes have frequencies of \((n-1),~n,\) and \((n+1).\) They superimpose to give beats. The number of beats produced per second will be:

1. \(1\) 2. \(4\)
3. \(3\) 4. \(2\)
Subtopic:  Beats |
 53%
From NCERT
NEET - 2016
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