Question

Give an expression of Snell's Law.

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Answer 1

Answer:

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Where i is the angle of incidence and r is the angle of refraction. This constant value is called the refractive index of the second medium with respect to the first. Snell's law formula is derived from Fermat's principle.

Explanation:

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Answer 2

Explanation:

Snell's Law states that the ratio of the sine of the angles of incidence and transmission is equal to the ratio of the refractive index of the materials at the interface