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2015-12-14T18:59:48+05:30

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The Laws of Refraction 1.Incident ray, reflected ray, refracted ray and the normal of the system lie in the same plane. 2.Incident ray, coming from one medium to the boundary of another medium, is refracted with a rule derived from a physicist Willebrord Snellius. He found that there is a constant relation between the angle of incident ray and angle of refracted ray. This constant is the refractive index of second medium relative to the first medium Barinliest?
2015-12-19T10:21:38+05:30
The laws of reflection are:
(i) the incident ray,refracted ray and the normal to the surface of separation of the media at the point of incidence lie in one plane and the incident and the refracted rays are on the opposite sides of the normal.
(ii) The ratio of the sine of the angle of incidence to the sine of the angle of refraction is a constant which depends on the nature of the media and the colour of the light used.this law is known as Snell's law.