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J & K CET Medical J & K - CET Medical Solved Paper-2011

  • question_answer
    For a stretched string of length L fixed at both ends, the frequency of the fundamental mode of vibration is (v is the velocity if travelling waves in the string)

    A)                 \[\frac{v}{2L}\]                                 

    B) \[\frac{v}{L}\]

    C)                 \[\frac{v}{4L}\]                                 

    D) \[\frac{v}{3L}\]

    Correct Answer: A

    Solution :

                     The frequency of the fundamental model of vibration \[n=\frac{v}{2l}=\frac{1}{2v}\sqrt{\frac{T}{m}}\]


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