Ray of light passes through an equilateral glass prism such that angle of incidence is equal to angle of emergence and each of these angle is equal to 3 upon 4 of Angle of prism what is the value of angle of deviation
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A ray of light passes through an equilateral prism such that the angle of emergence and each one is equal to $/large/frac (3) (4) $ th the angle of prism. then angle of deviation is :
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