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.

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.

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.

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

The refractive indices of the crown glass for violet and red lights are 1.51 and 1.49 respectively and those of the flint glass are 1.77 and 1.73 respectively A prism of angle 6^(@) is made of crown glass .A beam of white light is incident at a small angle on this prism.The other thin flint glass prism is combined white the crown glass prism such that te net mean deviation is 1.5^(@) anticlockwise. (i)Determine the angle of the flint glass prism. (ii)A screen is placed normal to the emerging beam at a distance of 2m from the prism combination.find the distance between red and violet spot on the screen Which is the topmost colour on screen.

The refractive indices of crown glass for red , yellow and blue rays are 1.527 , 1.530 and 1.535 respectively . What is the dispersive power of crown glass for red and blue rays .

A thin glass prism of angle 6^(@) of refractive index 1.5 is combined with another glass prism of refractive index 1.6 to produce dispersion without deviation. What is the angle of the second prism ?

The refractive indices of flint glass for red and violet light are 1.613 and 1.632, respectively. Find the angular dispersion produced by the thin prism of flint glass having refracting angle 4^(@) .