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☰Refraction

Basics of Refraction



Besides the rays of reflection, we can also see a refracted ray passes through the medium(glass) and a angle of refraction. Of cource, reflection is also occurs but it is just weaker.

Refractive index



That is the equation used for calculating refractive index of
a medium which light is come from air to medium or medium to air.




That is the equation used for calculating refractive index of
a medium which light is come from medium 1 to medium 2.




Examples of refractive index.


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