Author Question: An organ pipe open at both ends is 1.5 m long. A second organ pipe that is closed at one end and ... (Read 88 times)

altibaby · **on:** Aug 6, 2020

Question 1

An organ pipe open at both ends has a radius of 4.0 cm and a length of 6.0 m. What is the frequency (in Hz) of the third harmonic? (Assume the velocity of sound is 344 m/s.)

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76

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86

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54

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28

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129

Question 2

An organ pipe open at both ends is 1.5 m long. A second organ pipe that is closed at one end and open at the other is 0.75 m long. The speed of sound in the room is 330 m/s. Which of the following sets of frequencies consists of frequencies which can be produced by both pipes?

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110 Hz, 220 Hz, 330 Hz

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220 Hz, 440 Hz, 660 Hz

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110 Hz, 330 Hz, 550 Hz

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330 Hz, 440 Hz, 550 Hz

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220 Hz, 660 Hz, 1 100 Hz

mathjasmine · **Reply #1 on:** Aug 6, 2020

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