Home
Class 12
PHYSICS
Prism angle of a prism is 10^(@) ,Their ...

Prism angle of a prism is `10^(@)` ,Their refractive index for red & violet color is `1.51 & 1.52` respectively .Then dispersive power will be
`(1) 0.5, (2)0.15, (3)0.019,(4) 0.032`

Text Solution

Verified by Experts

Dispersive power of prism `delta = ((mu_(v) - mu_(r))/(mu_(y) - 1)) "but" mu_(y)= (mu_(v)+ mu_(r))/(2) = (1.664-1.644)/(1.654-1)= 0.0305`
Promotional Banner

Topper's Solved these Questions

  • GEOMETRICAL OPTICS

    ALLEN|Exercise SOME WORKED OUT EXAMPLES|84 Videos

  • GEOMETRICAL OPTICS

    ALLEN|Exercise EXERCISE -01|65 Videos

  • CURRENT ELECTRICITY

    ALLEN|Exercise All Questions|427 Videos

  • GRAVITATION

    ALLEN|Exercise EXERCISE 4|9 Videos

Similar Questions

Explore conceptually related problems

Prism angle of a prism is 10^(@) ,Their refractive index for red&violet colour is 1.51&1.52 respectively .Then dispersive power will be (1) 0.5, (2)0.15, (3)0.019,(4) 0.032

Prism angle of a prism is 10^(@) . Their refractive index for red and violet colour is 1.51 and 1.52 respectively. Then find the dispersive power.

The angle of prism is 5^(@) and its refractive indices for red and violet colours are 1.5 and 1.6 respectively. The angular dispersion produced by the prism is

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

If refractive index of red, violet and yellow light are 1.42, 1.62 and 1.50 respectively for a medium. Its dispersive power will be

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

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

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

Two thin prisms are combined such that they neither produce any average deviation nor do they cause any dispersion when white light is incident on the combination. Angle of one prism is A = 2° and refractive index of its glass for red, yellow and violet lights are 1.49, 1.50 and 1.51 respectively. Find the dispersive power of the glass of the other prism.