Question

2. If angle of incident increases angle of deviation decreases, but after a certain value of angle of
incident, the angle of deviation increases. What is that specific value of angle of incident called?
Does these angles same for light of all colour?
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Answer 1

Answer:

If angle of incident increases angle of deviation decreases, but after a certain value of angle of

incident, the angle of deviation increases. What is that specific value of angle of incident called?

Does these angles same for light of all colour?