Question: Consider light passing from one medium with index of refraction n1 into another medium with index of refraction n2 (Figure 6-A). Use Fermats principle to

Consider light passing from one medium with index of refraction n1 into another medium with index of refraction n2 (Figure 6-A). Use Fermat€™s principle to minimize time, and derive the law of refraction: n1 sin θ1 = n2 sin θ2.

(ng > n) n2

(ng > n) n2

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