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JEE Main & Advanced Physics Wave Mechanics Question Bank Beats

  • question_answer
    The beats are produced by two sound sources of same amplitude and of nearly equal frequencies. The maximum intensity of beats will be ...... that of one source [CPMT 1999]

    A)            Same                                       

    B)            Double

    C)            Four times                            

    D)            Eight times

    Correct Answer: C

    Solution :

               Intensity µ (amplitude)2 as \[{{A}_{\max }}=2{{a}_{o}}\](ao= amplitude of one source) so \[{{I}_{\max }}=4{{I}_{o}}\].


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