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End correction of a pipe and its dependence on the radius

This type of question, asked 2 times: 10 May 2023 S2, 14 May 2024 S1. All 2 questions below, oldest first.

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  1. Question 1

    10 May 2023 S2

    31
    The end correction for the vibrations of air column in a tube of circular cross-section will be more if the tube is

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  2. Question 2

    14 May 2024 S1

    23
    If 'll' is the length of the open pipe, 'rr' is the internal radius of the pipe and 'V' is the velocity of sound in air then fundamental frequency of open pipe is

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