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The refractive indices for the light of ...

The refractive indices for the light of violet and red colours of any material are 1.66 and 1.64 respectively. If the angle of prism made of this material is `10^(@)`, then angular dispersion will be

A

`0.20^@`

B

`0.10^@`

C

`0.40^@`

D

`1^@`

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TARGET PUBLICATION-OPTICS-EXERCISE
  1. The refractive index of glass is 1.520 for red light and 1.525 for blu...

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  2. The angular dispersion produced by a prism of angle 5^@ is [nV = 1.665...

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  3. The refractive indices for the light of violet and red colours of any ...

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  4. A spectrum is formed by a prism of dispersive power omega. If the angl...

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  5. Dispersive power depend upon

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  6. The dispersive power (omega) of the material of prism is given by

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  7. The refractive index of the prism for violet colour is 1.7 and that fo...

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  8. Mirage' is a phenomenon due to

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  9. The rainbow is formed due to

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  10. The complete circle of rainbow can be seen when

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  11. To observe any rainbow the altitude of sun or the angle made by the su...

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  12. The primary rainbow is due to internal reflection inside droplet and ...

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  13. Angular width of primary rainbow is

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  14. The average angle of inclination of the primary rainbow with the axis ...

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  15. In case of secondary rainbow, colour is at the top.

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  16. The secondary rainbow is due to internal reflection inside droplet.

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  17. The straight line joining the sun and the observer along which centre ...

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  18. Pick the correct statement from the following.

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  19. Rays of different colours fail to converge to a point after passing th...

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  20. What causes chromatic aberration?

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