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JEE Main & Advanced Physics Wave Mechanics Question Bank Beats

  • question_answer
    It is possible to hear beats from the two vibrating sources of frequency                                                 [UPSEAT 2001]

    A)            100 Hz and 150 Hz              

    B)            20 Hz and 25 Hz

    C)            400 Hz and 500 Hz              

    D)            1000 Hz and 1500 Hz

    Correct Answer: B

    Solution :

               For hearing beats, difference of frequencies should be approximately 10 Hz.


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