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Watch a suspended vibrating spring to learn about the propagation of sound waves
graphic representations of a sound wave
How to measure a wave: frequency and period explained
Understanding frequency and amplitude in sound
Huygens' principle acoustic filters typically used in air-handling systems first three harmonic standing waves in a stretched string first 10 notes in the overtone series of G2 first three harmonic standing waves in open and closed tubes Helmholtz resonator
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sound summary
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Italian-born physicist Dr. Enrico Fermi draws a diagram at a blackboard with mathematical equations. circa 1950.
Physics and Natural Law
Italian physicist Guglielmo Marconi at work in the wireless room of his yacht Electra, c. 1920.
All About Physics Quiz
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Photos and Videos

graphic representations of a sound wave
Huygens' principle
acoustic filters typically used in air-handling systems
first three harmonic standing waves in a stretched string
first 10 notes in the overtone series of G2
first three harmonic standing waves in open and closed tubes
Helmholtz resonator
Fourier synthesis of a complex wave
lightning and thunder
Watch a suspended vibrating spring to learn about the propagation of sound waves
How to measure a wave: frequency and period explained
Understanding frequency and amplitude in sound
How does the McGurk effect trick your brain?
Understanding wave interference through sound experiments
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Key People

Helmholtz.
Hermann von Helmholtz
German scientist and philosopher
Eric Zepler
German-born physicist

Related Quizzes and Features

Quiz
Italian physicist Guglielmo Marconi at work in the wireless room of his yacht Electra, c. 1920.
All About Physics Quiz
Italian-born physicist Dr. Enrico Fermi draws a diagram at a blackboard with mathematical equations. circa 1950.
Physics and Natural Law