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Name the phenomenon of absorption of lig...

Name the phenomenon of absorption of light and then re-radiating it in different directions.

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MODERN PUBLICATION-THE HUMAN EYE AND THE COLOURFUL WORLD-EXERCISE
  1. The phenomenon of splitting of white light into its constituent colour...

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  2. What is the cause of dispersion of light?

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  3. Name the phenomenon of absorption of light and then re-radiating it in...

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  4. Why does the colour of the sky appear blue?

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

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

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  7. Presbyopia is corrected by concave lens. (True/False)

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  8. The power of lens used to correct myopia is positive. (True/False)

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  9. The sky appears blue, because.

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  10. Clouds look white because water droplets of clouds scatter all colours...

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  11. Twinkling of stars is due to atmospheric:

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  12. The sun is visible two minutes before sunrise and about two minutes su...

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  13. Planets twinkle on account of atmospheric refraction. (True/False)

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  14. What is the far point and near point of human eye with normal vision?

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  15. Fill ups The ability of the eye lens to adjust its focal length is cal...

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  16. In human eye,image of an object is formed at …… .

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  17. The least distance of distnct vision is ………… .

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  18. Fill ups The defect of the eye due to which distant objects cannot be ...

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  19. Fill ups The defect of the eye due to which nearby objects cannot be s...

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  20. Fill ups A person suffering from myopia and hypermetropia uses……………len...

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