RAJASTHAN PMT Rajasthan - PMT Solved Paper-1995

  • question_answer
    A closed pipe of length L resonate with a lulling fork. The length of open pipe to resonate with the same tuning fork will be:

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

    B)         \[L\]    

    C)        \[\frac{3L}{2}\]                 

    D)                         \[2L\]

    Correct Answer: D

    Solution :

    Frequency of open pipe is doubled than that of closed pipe. To half the frequency of open pipe, its length should be doubled, (because frequency is inversely proportional to the length of pipe).


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