Question

write the relation between the angle of incidence and the angle of refraction for a medium

Answer 1

The speed of light in a mediumdecreases by a factor of n, called the index of refraction of the medium. ... The angles of incidence and refractionhere are the angles that the incidentand refracted rays of light make with the normal to the boundary betweenthe two media.


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Answer 2

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the angle of incidence to the sine of the angle of refraction equals the ratio of the index of refraction of the incident medium to the index of refraction of the refractive medium:

The angles of incidence and refraction here are the angles that the incident and refracted rays of light make with the normal to the boundary between the two media.