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8 Cards in this Set
- Front
- Back
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What is sound?
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Acoustical energy
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Acoustical Energy
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Fluctuating waves of pressure in a physical medium, usually air
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Complete cycle of a wave
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One half compression (higher pressure), one half rarefaction (lower pressure)
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Frequency
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Rate of air pressure fluctuation, corresponding to the musical attribute of pitch
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Period
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time required for one complete cylce of a sound wave
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Period =
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1 / Frequency
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Speed of sound
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1130 ft/sec (344 m/sec)
59 degrees Fahrenheit 15 degrees Celsius |
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Wavelength
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Distance covered by a cycle
speed of sound / frequency |
