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 :
As, \[D=(\mu -1)A\] For blue light, a is greater than that for red light, so \[{{D}_{2}}>{{D}_{1}}\]
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