User:Wakana Hiratsuka/sandbox
Mirror-like wave reflection / From Wikipedia, the free encyclopedia
Specular reflection, or regular reflection, is the mirror-like reflection of waves, such as light, from a surface.[1]
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Not to be confused with Specular Reflection (song).
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![](http://upload.wikimedia.org/wikipedia/commons/thumb/1/10/Reflection_angles.svg/170px-Reflection_angles.svg.png)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/0/08/Tso_Kiagar_Lake_Ladakh.jpg/640px-Tso_Kiagar_Lake_Ladakh.jpg)
鏡面反射、もしくは正反射は、光などの波動が、物体の表面から鏡のように反射することです。[1]
The law of reflection states that a reflected ray of light emerges from the reflecting surface at the same angle to the surface normal as the incident ray, but on the opposing side of the surface normal in the plane formed by the incident and reflected rays. This behavior was first described by Hero of Alexandria (AD c. 10–70).[2]
Specular reflection may be contrasted with diffuse reflection, in which light is scattered away from the surface in a range of directions.