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CBSE - XII Science - Physics - Ray Optics and Optical Instruments

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

Asked by 6th January 2012, 8:46 PM
Answered by Expert


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 Expert 9th January 2012, 10:36 AM

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