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Code Number: 3D30.17
Demo Title: Box and Bottle Modes
Condition: Excellent
Principle: Resonance of Bottles and Boxes
Area of Study: Oscillations & Acoustics
Equipment:
Computer with Matlab, microphone, speakers, bottles or 5 gal. pail.
Procedure:
Place the speakers inside the inverted 5 gal. pail. Use the Matlab program and the microphone on the outside of the pail to find the resonance modes of the pail.
References:
- Patrik Vogt, Lutz Kasper, "Recording a Resonance Curve with Smartphones and Wine Glasses", TPT, Vol. 60, #4, April 2022, p. 308.
- Paul Gluck, Sarit Ben-Sultan, and Tamar Dinur, "Resonance in Flasks and Pipes", TPT, Vol. 44, #1, Jan. 2006, p. 10.
- Michael J. Moloney, "Plastic CD Containers as Cylindrical Acoustical Resonators", AJP, Vol. 77, # 10, p. 882, Oct. 2009.
- Frank S. Crawford, "Lowest Modes of a Bottle", AJP, Vol 56, #8, Aug. 1988, p. 702.
- Gary R. Smith and P. D. Loly, "The Great Beer Bottle Experiment", AJP, Vol. 47, #6, June 1979, p. 515.
- Herb Strongin, “Investigating How Speech, Humming, and Whistling Sounds Are Made“, Science on a Shoestring, p. 142.