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law of reflection

noun
1.
the principle that when a ray of light, radar pulse, or the like, is reflected from a smooth surface the angle of reflection is equal to the angle of incidence, and the incident ray, the reflected ray, and the normal to the surface at the point of incidence all lie in the same plane.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for law of reflection
  • Describes a guided inquiry activity that addresses the law of reflection.

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