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angle of deviation
noun
, Optics.
- the angle equal to the difference between the angle of incidence and the angle of refraction of a ray of light passing through the surface between one medium and another of different refractive index.
angle of deviation
noun
- the angle between the direction of the refracted ray and the direction of the incident ray when a ray of light passes from one medium to another
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Word History and Origins
Origin of angle of deviation1
First recorded in 1825–35
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