Author Question: An pipe of length L that is open at both ends is resonating at its fundamental frequency. Which ... (Read 34 times)

mpobi80 · **on:** Jul 29, 2018

An pipe of length L that is open at both ends is resonating at its fundamental frequency. Which statement about the sound is correct?

A) The wavelength is 2L and there is a displacement node at the pipe's midpoint.
B) The wavelength is 2L and there is a displacement antinode at the pipe's midpoint.
C) The wavelength is L and there is a displacement node at the pipe's midpoint.
D) The wavelength is L and there is a displacement antinode at the pipe's midpoint.

Question 2

Consider a pipe of length L that is open at both ends. What are the wavelengths of the three lowest-pitch tones produced by this pipe?

A) 4L, 2L, L
B) 2L, L, L/2
C) 2L, L, 2L/3
D) 4L, 4L/3, 4L/5