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BCECE Engineering BCECE Engineering Solved Paper-2013

  • question_answer
    The air column in pipe, which is closed at one end will be in resonance with a vibrating turning fork at a frequency of 260 Hz, if the length of the air column is

    A)  31.73 cm          

    B)         62.5 cm               

    C)         35.75 cm          

    D)         12.5 cm

    Correct Answer: A

    Solution :

    For Q, closed pipe. \[n=(2K+1)C/4\] For \[K=0,\]it gives \[L=1\times ({{10}^{2}}\times 330)/4\times 260=31.7\,cm\]


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