Total Internal Reflection

Total Internal Reflection

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Caption: When light is incident on an interface between a more optically dense medium and a less optically dense medium and the angle of incidence exceeds a certain value, called critical angle, all the light is reflected back to the more optically dense medium. This effect is called total internal reflection. In this photograph three beams of white light are totally internally reflected at the hypotenuse of a right angle prism.

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Keywords: beam, critical angle, demonstration, education, educational, effect, experiment, geometric, light, optical, optics, phenomenon, physics, prism, ray, reflect, reflection, reflector, refraction, right angle, tir, total internal reflection, triangular, visible

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