The refractive index of a particular material is 1.67 for blue light, 1.65 for yellow light and 1.63 for red light. The dispersive power of the material is .........

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 ?

Refractive index for a material for infrared light is

The refractive indices of a prism for red, violet and yellow lights are 1.52, 1.62 and 1.59 resp. What is the dispersive power of the prism ? If mean deviation is 40^@ . What is angular dispersion produced by the prism ?

For a material the refractive indices for red violet and yellow colour light are respectively 1.52, 1.64 and 1.60 The dispersive power of the material is

A thin prism is made of a material having refractive indices 1.61 and 1.65 for red and violet light. The dispersive power of the material is 0.07. It is found that a beam of yellow light passing through the prism suffers a minimum deviation of 4.0^@ in favourable conditions. Calculate the angle of the prism.

A thin prism is made of a material having refractive indices 1.61 and 1.65 for red and violet light. The dispersive power of the material is 0.07. It is found that a beam of yellow light passing through the prism suffers a minimum deviation of 4.0^@ in favourable conditions. Calculate the angle of the prism.

The refractive indices of a prism for red, violet and yellow lights are 1.52, 1.62 and 1.59 recp.What is the dispersive power of the prism ? If mean deviation is 40^(@) . What is angular dispersion produced by the prism ?

Calculate the dispersive power of a prism having R.I of 1.56 for red ,1.60 for yellow and 1.68 for violet light.

The refractive index of the prism for violet colour is 1.7 and that for red is 1.65. Then dispersive power of the material of prism is