JEE · NEET Previous Year Question

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

Topic: NEET PYQ

Answer: A. Full step-by-step solution below.

  1. A2
  2. B1
  3. C4
  4. D3

Correct answer: A

Solution

(a) Maximum difference of frequency

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