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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 142 times)

Collmarie

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  • Posts: 569
on: Jul 28, 2018
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?
 a. 110 Hz, 220 Hz, 330 Hz
  b. 220 Hz, 440 Hz, 660 Hz
  c. 110 Hz, 330 Hz, 550 Hz
  d. 330 Hz, 440 Hz, 550 Hz
  e. 220 Hz, 660 Hz, 1 100 Hz

Question 2

A length of organ pipe is closed at one end. If the speed of sound is 344 m/s, what length of pipe (in cm) is needed to obtain a fundamental frequency of 50 Hz?
 a. 28
  b. 86
  c. 344
  d. 172
  e. 688


missalyssa26

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  • Posts: 327
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

D


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