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10 Cards in this Set
- Front
- Back
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Hertz |
Frequency is measured in cycles per second. |
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Wavelength |
The distance between a point on one wave and the same point on the next cycle of the wave. |
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Amplitude |
The maximum displacement of the medium from its rest position. |
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Reflection |
A wave bounces off a surface that it cannot pass through. |
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Diffraction |
The bending of a wave as it moves around an obstacle or passes through a narrow opening. |
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Intensity |
The rate at which a wave's energy flows through a given area. |
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Decibel |
A unit that compares that intensity of different sounds. |
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Pitch |
The frequency of a sound as you perceive it. |
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Sonar |
A technique for determining the distance to an object under water. |
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Doppler Effect |
A change in sound frequency caused by motion of the sound source, motion of the listener, or both. |
