Question

What is snell's law​

Answer 1

Answer:

sin i divided by sinr =n2 divided by n1

Answer 2

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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).