A) \[{{D}_{1}}<{{D}_{2}}\]
B) \[{{D}_{1}}={{D}_{2}}\]
C) \[{{D}_{1}}\] can be less than or greater than \[{{D}_{2}}\] depending upon the angle of prism
D) \[{{D}_{1}}>{{D}_{2}}\]
Correct Answer: A
Solution :
\[D=(\mu -1)A\] For blue light u is greater than that for red light, \[{{D}_{2}}>{{D}_{1}}\].
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