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The refractive indices of flint glass pr...

The refractive indices of flint glass prism for Red, Yellow and Violet colours are 1.790, 1.795 and 1.805 respectively, find dispersive power of the flint glass.

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`mu_(v) = 1.790 , mu_(Y) = 1.795` and `mu_(R) = 1.805`
`omega = (mu_(v) - mu_(R))/(mu_(Y) - 1) = (0.015)/(0.795) = 0.01887`
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