The relation among angle of incidence (i1) angle of emergence (i1) angle of deviation (d) and angle of prism (A) 

A) A + i1 = d + i2 

B) A – d = i1 + i2 

C) A + d = i1 + i2 

D) A + d = i1 – i2

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1 Answers

C) A + d = i1 + i2 

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