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Minimum Deviation

Draw a ray di...

Question

Draw a ray diagram to show the refraction of a monochromatic ray through a prism when it suffers minium deviation. How is the angle of emergence related to the angle of incidence in this position?

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Solution

In case of an equilateral prism, when the prism is in the position of minimum deviation δ = δ_min, the angle of incidence i₁ is equal to the angle of emergence i₂.
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Q. Draw a ray diagram to show the refraction of a monochromatic ray through a prism when it suffers minimum deviation.

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Choose the correct answer from the options given below:

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