38.3 MB (1.2 MB compressed)
4500 x 2975 pixels
38.1 x 25.1 cm ⏐ 15.0 x 9.9 in (300dpi)
GIPHOTOSTOCK / SCIENCE PHOTO LIBRARY GIPHOTOSTOCK / SCIENCE PHOTO LIBRARY
A surface exhibits specular reflection if light incident from a single direction is predominantly reflected along a single direction, with the angles of incidence and reflection equal to each other. Smooth metal surfaces, for example, show specular reflection and hence are used for making mirrors. In contrast, a surface exhibits diffuse reflection if light incident from a single direction is reflected in a broad range of directions. In this photograph a beam of light is first specularly reflected from a gold-coated mirror and then is diffusely reflected from a screen made of thick paper. This is a part of a series of three (including bn9204 and bn9205) photographs showing specular and diffuse reflections.
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