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The sun appears red at sun rise or sunse...

The sun appears red at sun rise or sunset, why?

A

Dispersion of light

B

Scattering of light

C

Total internal reflection of light

D

Reflection of light from the earth.

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MODERN PUBLICATION-THE HUMAN EYE AND THE COLOURFUL WORLD-EXERCISE
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  3. The sun appears red at sun rise or sunset, why?

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  5. When light rays enter the eye, most of the refraction occurs at the

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  6. Ciliary muslces can change the focal length of eye lens. This phenomen...

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  7. Which of the following statements is correct?

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  8. The colour of sky as seen from the moon, where there is no atmosphere,...

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  9. A dichromatic light of wavelength 5600 oversetcircA and 6300 oversetci...

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  10. Amount of light entering into the camera depends upon:

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  11. The far point of myopic person is 75 cm in front of the eye. The natur...

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  12. What is meant by power of accomodation of the eye?

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  13. The SI unit of power is

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  14. Myopia is corrected by

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  15. Two lenses have powre -3D and +1D respectively are put together. The p...

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  16. The fluid present between eye lens and retina is called

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  17. The wavelength of violet coloured light is

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  18. Which colour is at the lower end of the visible spectrum which is form...

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  19. Cataract is correct by

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  20. Name the pehnomenon responsible for advanced sunrise and delayed sun-s...

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