WHAT ARE THE LAWS OF REFRACTION?
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1)The incident ray,refracted ray,and the normal at the point of incidence,all lie in the same plane.
2)the ratio of sine of angle of incidence to the angle of refraction is constant for a given pair of media
sin I/sin r=constant ##this law is also called Snell's law.
2)the ratio of sine of angle of incidence to the angle of refraction is constant for a given pair of media
sin I/sin r=constant ##this law is also called Snell's law.
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