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Definition of Reflection (physics)

Reflection (physics) Definition from Encyclopedia Dictionaries & Glossaries
Wikipedia English - The Free Encyclopedia
Reflection is the change in direction of a wavefront at an between two different  media so that the wavefront returns into the medium from which it originated. Common examples include the reflection of light, sound and water waves. The law of reflection says that for specular reflection the angle at which the wave is incident on the surface equals the angle at which it is reflected. Mirrors exhibit specular reflection.

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