ir the refractive indices of crown glass for red yellow and violet colours are 1.5140, 1.570 and 1.5318 respectivelyand ofr flint glass these values are 1.6434, 1.6852 respectively , then the dispersive powers for crown and flint glass are respectively

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 power for crown and flint glass are respectively :

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.

The refractive indicates of flint glass for red and violent colours are 1.644 "and" 1.664 . Calculate its dispersive power.

The refractive indicates of flint glass for red and violent colours are 1.644 "and" 1.664 . Calculate its dispersive power.

The refractive indicates of flint glass for red and violent colours are 1.644 "and" 1.664 . Calculate its dispersive power.