The minimum deviations suffered by red, yellow and violet beam passing through an equilateral transparent prism are `38.4^(@), 38.7^(@)` and `39.2^(@)` respectively. Calculate the dispersive power of the medium.

The minimum deviations suffered by red, yellow and violet beams passing passing through an equilateral transparent prism are 38.4^@, 38.76@ and 39.2^@ respectively. Calculate the dispersive power of the medium.

The deviations produced for violet, yellow and red lights in case of flint glass prism are 3.32^(@), 3.27^(@) and 3.22^(@) respectively. Calculate dispersive power of flint glass.

The deviation caused for red, yellow and violet colours for crown glass prism are 2.84^(@),3.28^(@) and 3.72^(@) respectively. The dispersive power of prism material is:

Focal lengths of a lens for violet, yellow and red colours are f_(v), f_(y) and f_(r) respectively. Calculate the dispersive power of the material of the lens.

The angle of minimum deviation for blue, red and yellow colours are 53^(@), 51^(@) and 52^(@) , respectively when passed through a prism of angle A = 60^(@) . Calculate its dispersive power.

For a medium, refractive indices for violet, red and yellow are 1.62, 1.52 and 1.55 respectively, then dispersive power of medium will be

The refractive indices for violet, yellow and red colours for a flint glass prism are 1.634, 1.623 and 1.616. Calculate the dispersive power of the prism material.

A glass prism deviates the red and blue colour rays through 8^(@) and 10^(@) , respectively. A second prism of equal refracting angle deviates them through 10^(@) and 12^(@) respectively. Calculate the ratio of their dispersive powers.

White light its passed through a prism of 5^@ . If refractive indices for red and blue rays are 1.641 and 1.659 respectively, calculate the angular dispersion of the prism.

If the refractive indices of a prism for red, yellow and violet colours be 1.61, 1.63 and 1.65 respectively, then the dispersive power of the prism will be