why there are 2 values of angle of deviation for 1 value of angle of incidence?

Asked by  | 6th Jan, 2012, 08:46: PM

Expert Answer:

The  minimum deviation is the angle between the incident and emerging light rays after transmission through an object such as a prism or a water drop.
 
Since light passes through two sides of the prism so angle of deviation are two for one angle of incidence.

Answered by  | 9th Jan, 2012, 10:36: AM

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