Question
Fri February 08, 2013 By:
 

what is action of prism ? what is relation between angles of prism , deviation, incidence and emergence?

Expert Reply
Fri February 08, 2013

The required relation is, i + e = A + ?

‘i' is the angle of incidence

‘e’ is the angle of emergence

‘A’ is the angle of prism

‘?’ is the angle of deviation

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