Fundamentholfundamenthol
JEE Main2019Physics
Q.

The correct figure that shows, schematically, the wave pattern produced by superposition of two waves of frequencies 9 Hz and 11 Hz, is : 



  1. A

    (1)

  2. B

    (2)

  3. C

    (3)

  4. D

    (4)

Solution

Beat frequency =

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