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JEE Main & Advanced Physics Wave Mechanics Question Bank Vibration of String

  • question_answer
    Two wires are producing fundamental notes of the same frequency. Change in which of the following factors of one wire will not produce beats between them  [BHU (Med.) 1999]

    A)            Amplitude of the vibrations

    B)            Material of the wire

    C)            Stretching force

    D)            Diameter of the wires

    Correct Answer: A

    Solution :

                 Change in amplitude does not produce change in frequency, \[\left( n=\frac{1}{2l}\sqrt{\frac{T}{\pi {{r}^{2}}\rho }} \right)\].


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