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JEE Main & Advanced Physics Wave Mechanics Question Bank Self Evaluation Test - Waves

  • question_answer
    Three sound waves of equal amplitudes have frequencies \[(v-1),\text{ }v,\text{ }(v+1).\] They superpose to give beats. The number of beats produced per second will be:

    A)  3

    B)  2     

    C) 1

    D) 4

    Correct Answer: B

    Solution :

    [b] Maximum number of beats \[=\,\,\,\,\,(v+1)-(v-1)=2\]


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