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A ray of light passes through an equilateral prism such that the angle of incidence is equal to the angle of emergence and the latter is equal to the angle of prism. The angle of deviation is

a)

b)

c)

d)


Question ID - 152582 | Toppr Answer

A ray of light passes through an equilateral prism such that the angle of incidence is equal to the angle of emergence and the latter is equal to the angle of prism. The angle of deviation is

a)

b)

c)

d)

1 Answer - 5876 Votes

3537

Answer Key : (b) -

(b)

It is observed if  deviation produced is minimum

And

Here

And



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