ir the refractive indices of crown glass...

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

0.034 and 0.064

0.064 and 0.034

1.00 and 0.064

0.034 and 1.0

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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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The refractive indices of crown glass for blue and red light are 1.523 and 1.513, respectively and of dense flint glass, 1.773 and 1.743, respectively. Calculate the dispersive power of the material. What must be the anlgle of a flint glass prism which may be combined with a crown glass prism of angle 5^(@) so that the combination produces dispersion without deviation? What dispersion does the combination produces?

Refractive indices of flint glass for blue and red light are 1.668 and 1.648, respectively. Calculate the dispersive power of the glass.

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