In a certain spectrum produced by a glass prism of dispersive power

PHYSICS · Subjective · CBSE · Physics · Ray Optics and Optical Instruments · Ray Optics and Optical Instruments

Problem

In a certain spectrum produced by a glass prism of dispersive power 0.03050.0305, it is found that the refractive index for the red ray is 1.6451.645 and that for the violet ray is 1.6651.665. What is the refractive index for the yellow ray?

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