# 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: Option 1) Option 2) Option 3) Option 4)

Condition of maximum deviation -

- wherein

i=e  angle of deviation  is minimum

or

Option 1)

Incorrect

Option 2)

Incorrect

Option 3)

Incorrect

Option 4)

Correct

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