Diffuse reflection: Difference between revisions

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==Mechanism==
[[Image:Diffuse reflection.gif|thumb|right|Figure 1 – General mechanism of diffuse reflection by a solid surface ([[refraction]] phenomena not represented)|250px]]
[[File:Diffuse reflection.PNGsvg|thumb|Figure 2 – Diffuse reflection from an irregular surface|250px]]
 
Diffuse reflection from solids is generally not due to surface roughness. A flat surface is indeed required to give specular reflection, but it does not prevent diffuse reflection. A piece of highly polished white marble remains white; no amount of polishing will turn it into a mirror. Polishing produces some specular reflection, but the remaining light continues to be diffusely reflected.