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A closed organ pipe and an open organ pi...

A closed organ pipe and an open organ pipe of same length produce 2 beats when they are set into vibration simultaneously in fundamental mode. The length of the open organ pipe is now halved and that of the closed ogran pipe is doubled . What will be the number of beats produced ?

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The correct Answer is:
7
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Knowledge Check

  • A closed organ pipe and an open organ pipe of same length produce 2 beats when they are set into vibrations simultaneously in their fundamental mode. The length of open organ pipe is now halved and of closed organ pipe is doubled. The number of beats produced will be

    A
    8
    B
    7
    C
    4
    D
    2

  • The length of an open organ pipe is twice the length of another closed organ pipe. The fundamental frequency of the open pipe is 100 Hz. The frequency of the third harmonic of the closed pipe is

    A
    100 Hz
    B
    200 Hz
    C
    300 Hz
    D
    150 Hz

  • The length of an open organ pipe is twice the length of another closed organ pipe. The fundamental frequency of the open pipe is 100 Hz . The frequency of the thrid harmonic of the closed pipe is

    A
    100 Hz
    B
    200 Hz
    C
    300 Hz
    D
    150 Hz

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