Question

A ray of light passes through an equilateral prism such that the angle of incidence is equal to the angle of emergence and latter is equal
to 3/4th the angle of prism. The angle of deviation is (69) ° . Find n.​

Answer 1

Answer:

30 degree

Explanation:

i=3/4A

solve it further to get the answer

Answer 2

Explanation:

The answer is 30 degree.

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