Physics
What is total internal reflection?
Refraction Plane Surfaces
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Answer
When a ray of light travelling in a denser medium, is incident at the surface of a rarer medium at the angle of incidence greater than the critical angle for the pair of media, the ray is totally reflected back into the denser medium. This phenomenon is known as total internal reflection.
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Related Questions
State one advantage of using a total reflecting prism as a reflector in place of a plane mirror.
Explain the term critical angle with the aid of a labelled diagram.
State two conditions necessary for total internal reflection to occur.
Draw diagrams to illustrate critical angle and total internal reflection.