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

  • question_answer
    If the velocity of sound in air is 350 m/s. Then the fundamental frequency of an open organ pipe of length 50 cm, will be              [CPMT 1997; MH CET 2001; Pb. PMT 2001]

    A)            350 Hz                                     

    B)            175 Hz

    C)            900 Hz                                     

    D)            750 Hz

    Correct Answer: A

    Solution :

               Fundamental frequency of open pipe \[{{n}_{1}}=\frac{v}{2l}=\frac{350}{2\times 0.5}=350\]\[Hz\].


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