Question

If the refracting anglr of prism is 60 degrees and minimum deviation is 30 degrees , the angle of incidence will be
A.30 degrees
B.45 degrees
C.60 degrees
D.90 degrees​

Answer 1

Answer:

Explanation:

❇❇ Given

❇Refracting angle = 60°

❇Minimum angle deviation = 30°

❇Using the formula !

❇Minimum angle deviation = 2i - A

❇{{Where i = angle of incidence and A is the refracting angle of prism}}

❇So !!

❇=30° = 2i - 60

❇=90 = 2i

❇= i = 90/2 = 45°✔✔

❇Hence angle of incidence = 45°

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