A pipe of length L closed at one end is resonating at its fundamental frequency. Which statement is correct?
A)The wavelength is 4L and there is a displacement node at the pipe's open end.
B)The wavelength is 4L and there is a displacement antinode at the pipe's open end.
C)The wavelength is 2L and there is a displacement node at the pipe's open end.
D)The wavelength is 2L and there is a displacement antinode at the pipe's open end.
E)The wavelength is L and there is a displacement antinode at the pipe's open end.

Question

Quizplus · Accepted Answer

For a pipe closed at one end, the fundamental frequency corresponds to a quarter wavelength fitting into the pipe, making the wavelength 4L. The open end is a displacement antinode.

A Pipe of Length L Closed at One End Is