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Answer by Selene Routley for Why one should follow Snell's law for shortest...

So how does this apply to particles? Does this statement [point to] wave particle duality?No, the fact of Snell's law cannot be thought of as being any evidence for the wave particle duality of light,...

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Answer by Frobenius for Why one should follow Snell's law for shortest time?

(the following answer is included essentially in "The Feynman LECTURES ON PHYSICS-Mechanics, Radiation & Heat ,Vol. 1, 26-3 Fermat's principle of least time.)Suppose you are at point A in the land...

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Why one should follow Snell's law for shortest time?

whenever two media and two velocities are involved, one must follow Snell's law if one wants to take the shortest time.Why snells law must be followed to travel diffrent media in shortest time? Does...

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