PhysicsTwo vibrating tuning forks produce progressive waves given by y1 = 4sin 500πt and y2 = 2sin 506πt. Number of beats produced per minute is

Two vibrating tuning forks produce progressive waves given by y1 = 4sin 500πt and y2 = 2sin 506πt. Number of beats produced per minute is

  1. A

    360

  2. B

    180

  3. C

    3

  4. D

    60

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    Solution:

    Number of beats per sec =
    n1-n2=506π2π=500π2π=253-250=3
    Therefore number of beats produced per minute 3 x 60 = 180

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