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7 Cards in this Set
- Front
- Back
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Pythagoras
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*Observed Relationship between pitch and frequency
*Invented the sonometer |
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Boethius
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*First to compare sound waves to waves produced from pebble dropped in calm water
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Leonardo da Vinci
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*Thought to have originated the idea that sound travels in waves.
*Discovered that Angle of Reflection = Angle of Incidence |
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Lazzaro Spallanzani
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*Bat Experiment (bats could function when blinded but not when deafened)
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Augustin Fresnel
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*Theory of Wave diffraction
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Christian Johann Doppler
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*Doppler Effect (source of wave motion results in frequency changes)
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Jacques and Pierre Curie
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*Piezoelectric effect (certain chemicals would expand and contract when placed in alternating electrical field)
*Led to development of the modern ultrasound transducer. |
