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# Refraction and Laws Of Refraction

Debraj Paul
27/01/2017 0 0

Refraction: When a ray of light travelling in a homogenous medium, strikes a surface of separation between the two media, passes through it and goes into the second medium. The phenomenon is referred to as refraction.

Laws Of Refraction: The two laws of refraction of light are:

• The incident ray, the refracted ray and the normal to the refracting surface at the point of incidence all lies in the same plane.
• The ratio of sine of angle of incidence of the sine of the angle of refraction is a constant for a given pair media i.e. Sin.i /Sin.r = constant
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