Three sound waves of equal amplitudes have frequencies (n-1),n,(n+1). They superimpose to give beats
Channel: Ritesh Dahiya (RD Sir) (KDC) Kota Doubt Counter
Date: 2020-09-06

Three sound waves of equal amplitudes have frequencies (n -1), n, (n + 1). They superimpose to give beats. The number of beats produced per second will be (NEET– II 2016)
(a) 1
(b) 4
(c) 3
(d) 2

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