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How does the ...

Question

How does the angle of minimum deviation of a glass prism vary, if the incident violet light is replaced by red light ? Give reason.

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Solution

We know that , $μ = \frac{s i n (\frac{A + δ_{m}}{2})}{s i n (A / 2)} μ \propto δ_{m} μ_{r e d} < μ_{v i o l e t} ∴ δ_{m} will decrease .$

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