Uploaded September 2020 | Updated September 2026, 9 hours ago

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In this video, I show you how to solve the wave equation for the acoustic resonance frequencies of a cylindrical cavity resonator.


Superfluid Helium Resonance Experiment video:
youtu.be/unUNQNmuvUQ

Quantum Field Theory Lecture Series:
youtube.com/playlist?list=PLSpklniGdSfSsk7BSZjONcfhRGKNa2uou

I used the positive square root in the formula for k, because we are exclusively interested in positive frequencies.