If the refractive indices of crown glass for red, yellow and violet colours are 1.5140, 1.5170 and 1.5318 respectively and for flint glass these are 1.6434, 1.6499 and 1.6852 respectively, then the dispersive powers for crown and flint glass are respectively
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Verified by ExpertsThe correct answer is:
A
The dispersive power for crown glass 
= 
and for flint glass 
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