Question

state Snell's law. write its mathematical expression.
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Answer 1

Answer:

\frac{sin\;i}{sin\;r}=constant=\mu

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

Answer:

Snell's law : The ratio sine of angle of incidence to the sine of angle of refraction is a constant for a given color of light and for a given pair of media. Sin i/ Sin r = constant.

Explanation:

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