Question

- Monochromatic light of yellow colour is incident at an
equilateral prism at an incidence angle of 48° and suffers
minimum deviation. What is the angle of emergence?
If the angle of incidence is increased, will angle of
Calculate the angle of minimum deviation.
deviation increase or decrease?
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Answer 1

The angle of deviation will be less than 36°. The angle of deviation will be more than 36°. Hence, Theemergence angle is 48°.