shape and material are now added to P, as shown in the figure. The ray will suffer:
A) same deviation
B) greater deviation
C) total internal reflection
D) no deviation
Correct Answer: A
Solution :
Since prism P is placed in position of minimum deviation, therefore refracted rays becomes parallel to the base of the prism, again by adding two prism R and Q of same material as shown in figure, the deviation produced by Q and R are equal and opposite in sense, therefore final deviation is same as due to prism P.
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