A) red light
B) yellow light
C) green light
D) violet light
Correct Answer: D
Solution :
\[_{a}{{\mu }_{g}}=\frac{1}{\sin \,C}\] \[\sin \,C=\frac{1}{_{a}{{\mu }_{g}}}\] But \[{{\mu }_{v}}>{{\mu }_{R}}\] Therefore, \[{{(\sin \,C)}_{R}}>{{(\sin \,C)}_{V}}\] or \[{{C}_{R}}>{{C}_{V}}\]
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