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Three sound waves of equal amplitudes have frequencies (v-1), v,(v+1) . They superpose to give beats. The number of beats produced per second will be

Options

  1. A4
  2. B3
  3. C2
  4. D1

Correct answer

C. 2

Step-by-step solution

(3) Maximum number of beats =v+1-(v-1)=2

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