What do you mean by angle of minimum deviation? What a neat diagram arrive at an expression for the refractive index of the material of the prism in terms of angle of the prism and angle of minimum deviation

What do you mean by angle of minimum deviation? What a neat diagram ar

1.	What do you mean by angle of minimum deviation? What a neat diagram arrive at an expression for the refractive index of the material of the prism in terms of angle of the prism and angle of minimum deviation
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What do you mean by angle of minimum deviation? What a neat diagram arrive at an expression for the refractive index of the material of the prism in terms of angle of the prism and angle of minimum deviation

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