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

  • question_answer
    A stretched string of length \[l,\] fixed at both ends can sustain stationary waves of wavelength \[\lambda ,\] given by [UPSEAT 2000; Pb. PET 2004; CPMT 2005]

    A)            \[\lambda =\frac{{{n}^{2}}}{2l}\]                                    

    B)            \[\lambda =\frac{{{l}^{2}}}{2n}\]

    C)            \[\lambda =\frac{2l}{n}\]

    D)            \[\lambda =2l\ n\]

    Correct Answer: C

    Solution :

                 \[\lambda =\frac{2l}{p}\]            (p = Number of loops)


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