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NEET 2016
Exam
NEET
Year
2016
Subject
Physics
Chapter
Waves and Sound

NEET 2016 · Physics · Waves and Sound

Three sound waves of equal amplitudes have frequencies, ( n – 1 ) ,...

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

Options

  1. A11
  2. B44
  3. C33
  4. D22

Correct answer

D. 22

Step-by-step solution

Number of beats =2= 2.

Maximum difference between the given frequencies.

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