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Refraction across two interfaces: is it correct to use Snell's law as constraint in an application of Fermat's principle?
The problem area is geometric optics, namely refraction across homogeneous media with constant speed of light.
I explain the three steps of a methodological doubt that popped up.
Polite request: ...
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2
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2
answers
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What is the proper way to understand Fermat's principle?
I am studying Fermat's principle for the first time and the basic knowledge that I could gather said that it states that "that the path taken by a ray between two given points is the path that ...
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