An pipe of length L that is open at both ends is resonating at ...

[mpobi80]

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

[blazinlyss]

Answer to Question 1

A

Answer to Question 2

C

[mpobi80]

Excellent

[xthemafja]

Gracias!