Question: Sketch the pressure standing wave patterns for the first three modes of oscillation of the air column in a closed pipe of length L .

Sketch the pressure standing wave patterns for the first three modes of oscillation of the air column in a closed pipe of length L. Additionally, sketch a Fourier spectrum for this pipe showing the first 5 modes for a pipe with a fundamental frequency of 160 Hz. For clarity, label the horizontal axis in frequency, Hz.
Embed the sketches following the instructions given in the assignment.

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