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MODERN PUBLICATION-THE HUMAN EYE AND THE COLOURFUL WORLD-EXERCISE
- What is the function of iris in human eye?
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- What is meant by power of accomodation of the eye?
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- What is far point ?
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- Name the deffect in which a human eye can see nearby objects distinctl...
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- What is the other name given to old age hypermetropia?
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- The phenomenon of splitting of white light into its constituent colour...
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- What is the cause of dispersion of light?
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- Name the phenomenon of absorption of light and then re-radiating it in...
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- Why does the colour of the sky appear blue?
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- Name the pehnomenon responsible for advanced sunrise and delayed sun-s...
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- The sun appears red at sun rise or sunset, why?
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- Presbyopia is corrected by concave lens. (True/False)
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- The power of lens used to correct myopia is positive. (True/False)
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- The sky appears blue, because.
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- Clouds look white because water droplets of clouds scatter all colours...
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- Twinkling of stars is due to atmospheric:
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- The sun is visible two minutes before sunrise and about two minutes su...
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- Planets twinkle on account of atmospheric refraction. (True/False)
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- What is the far point and near point of human eye with normal vision?
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- Fill ups The ability of the eye lens to adjust its focal length is cal...
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