The refractive indices of crown glass for violet and red colours are respectively 1.523 and 1.513. Determine the dispersive power of this glass. If a crown glass prism produces a mean deviation of `40^(@)`, what will be the angular dispersion ?

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

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

The refractive indices of crown and flint glasses for violet and red light are 1.523, 1.513, 1.773 and 1.743 respectively. Find the dispersive powers of the glasses.

The refractive indices of crown glass prism of C,D and F lines are 1.527, 1.530 and 1.535 respectively. Find the dispersive power of the crown glass prism.

The refractive indices of crown glass prism of C,D and F lines are 1.527, 1.530 and 1.535 respectively. Find the dispersive power of the crown glass prism.

The refractive indices of a material for red, violet and yellow colour lights are 1.52, 1.62 and 1.59 respectively. Calculate the dispersive power of the material. If the mean deviation is 40^@ what will be the angular dispersion produced by a prism of this material ?