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JEE Main & Advanced Physics Wave Mechanics Question Bank Organ Pipe (Vibration of Air Column)

  • question_answer
    The fundamental note produced by a closed organ pipe is of frequency \[f.\] The fundamental note produced by an open organ pipe of same length will be of frequency  [BHU 2001]

    A)            \[\frac{f}{2}\]                      

    B)            \[f\]

    C)            \[2f\]                                       

    D)            \[4f\]

    Correct Answer: C

    Solution :

               \[{{n}_{\text{closed}}}=\frac{v}{4l},{{n}_{\text{open}}}=\frac{v}{2l}\]Þ \[{{n}_{\text{open}}}=2{{n}_{\text{closed}}}=2f\]


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