CollegeHigh School / Physics

Resonance in Air Columns

A sine wave generator drives an open speaker to create a standing sound wave in a resonance tube. The driving frequency and the length of the tube are varied to study their relationship to wavelength and the speed of the sound wave. The concepts of nodes, anti-nodes, and harmonics are investigated for both closed and open tubes.

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Resonance Air Column

Resonance tube with plunger, node markers and detachable stands for performing waves and sound experiments.

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Source: Lab #38

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Resonance in Air Columns