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| A pattern of vibration that simulates a wave that is standing still |
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| the maximum distance that the particles of a wave's meduim vibrate from their rest positions |
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| an observed change in the frequency of a wave when the source or observer is moving |
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| a periodic disturbance in a solid, liquid, or gas as energy is transmitted through a medium |
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| wave that consists of oscillating electric and magnetic fields, which radiate outward at the speed of light |
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| a wave that requires a medium through which to travel |
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| wave in which particles of the medium move perpendicularly to the direction the wave is travelling |
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| physical environment in which phenomena occur |
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| Wave in which particles of the medium vibrate parallel to the direction of wave motion |
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| distance from any point on a wave to an identical point on the next wave |
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| time that it takes a complete cycle or wave oscillation to occur |
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| the # of cycles or vibrations per unit of time |
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| the bouncing back of a ray of light, sound, or heat when the ray hits a surface that it does not go through |
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| change in the direction of a wave when the wave finds an obstacle or an edge, such as an opening |
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| bending of a wavefront as teh wavefront passes between two substances in which the speed of the wave differs |
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| the combination of two or more waves of the same frequency that results in a single wave |
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| Constructive Interference |
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| any interference in which waves combine so that the resulting wave is bigger than the original waves |
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| any interference in which waves combine so that the resulting wave is smaller than the largest of the original waves |
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