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Direct linkElias, F.; Hutzler, S.; Ferreira, M. S. – European Journal of Physics, 2007
We describe a novel demonstration experiment for the visualization and measurement of standing sound waves in a tube. The tube is filled with equally spaced soap films whose thickness varies in response to the amplitude of the sound wave. The thickness variations are made visible based on optical interference. The distance between two antinodes is…
Descriptors: Visualization, Acoustics, Experiments, Motion
