Explain the Snell's law of refraction.
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What is Snell's law in refraction?
Snell's law, in optics, a relationship between the path taken by a ray of light in crossing the boundary or surface of separation between two contacting substances and the refractive index of each. This law was discovered in 1621 by the Dutch astronomer and mathematician Willebrord Snell (also called Snellius)
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Answer:The normal to the boundary between the two media , the reflected ray , and the incident ray lie on the same plane . The Ray of light is moving towards the second medium in relation to the former one and this given as 1μ2 = ( sin I / sin r )
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