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Refraction and Internal Reflection

Refraction and Internal Reflection

C017/4079

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Credit

GIPHOTOSTOCK / SCIENCE PHOTO LIBRARY GIPHOTOSTOCK / SCIENCE PHOTO LIBRARY

Caption

When light is incident on a glass-air interface some light refracts (bends), according to the Snell's law, while some light is reflected back to glass. When the angle of incidence exceeds a certain value, called critical angle, all the light is reflected creating the effect called total internal reflection. Here a right angle glass prism is used to demonstrate the phenomenon. In this photograph all light is reflected at the prism's hypotenuse. Photo 2 of 2.

Release details

Model release not required. Property release not required.

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