A) 0.031
B) 1.60
C) 0.0615
D) 0.024
Correct Answer: C
Solution :
Dispersive power of material \[\omega =\frac{{{\mu }_{B}}-{{\mu }_{R}}}{{{\mu }_{Y-1}}}\] \[=\frac{1.67-1.63}{1.65-1}=\frac{0.04}{0.65}=0.0615\]
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