Question

state snells law of refraction.

Answer 1

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Answer:

Snell's law (also known as Snell–Descartes law and the law of refraction) is a formula used to describe the relationship between the angles of incidence and refraction, when referring to light or other waves passing through a boundary between two different isotropic media, such as water, glass, or air.

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Answer 2

1) the incident ray and refracted ray are on the opposite side of the normal at the point of incident and all three lie in same plane is known as Snells law