If 'A' is the angle of a prism, 'i' is angle of incidence, 'e' is angle of emergence, then the angle of deviation 'δ' of light incident on the prism is equal to?

If 'A' is the angle of a prism, 'i' is angle of incidence, 'e' is angl

1.	If 'A' is the angle of a prism, 'i' is angle of incidence, 'e' is angle of emergence, then the angle of deviation 'δ' of light incident on the prism is equal to?
A.	i + e + A
B.	i - e + A
C.	i - e - A
D.	i + e - A
Answer» E.

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If 'A' is the angle of a prism, 'i' is angle of incidence, 'e' is angle of emergence, then the angle of deviation 'δ' of light incident on the prism is equal to?

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