For a medium, refractive indices for violet, red and yellow are 1.62, 1.52 and 1.55 respectively, then dispersive power of medium will be [RPET 1997]A) 0.65 B) 0.22 C) 0.18 D) 0.02

For a medium, refractive indices for violet, red and yellow are 1.62,

1.	For a medium, refractive indices for violet, red and yellow are 1.62, 1.52 and 1.55 respectively, then dispersive power of medium will be [RPET 1997]A) 0.65 B) 0.22 C) 0.18 D) 0.02
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For a medium, refractive indices for violet, red and yellow are 1.62, 1.52 and 1.55 respectively, then dispersive power of medium will be [RPET 1997]A) 0.65 B) 0.22 C) 0.18 D) 0.02

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