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What is range of vision ?...

What is range of vision ?

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Range of vision of an eye is the distance between near point and far point of human eye.
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PRADEEP-THE HUMAN EYE AND COLOURFUL WORLD-(Mock Test)Sec - A
  1. Human eye has a light sensitive screen on which images are formed. Wha...

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  2. What is range of vision ?

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  3. (a) For a normal eye, what is the least distance of distinct vision ? ...

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  4. To an astronaut is a spcaceship, the sky appears

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  5. Explain briefly what is meant by presistence of vision.

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  6. A person with a myopic eye cannot see objects beyond 1.2 m distinctly....

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  7. The near point of a hypermetropic person is 50 cm from the eye. What i...

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  8. The sun looks reddish at the time of sunrise and sunset.

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  9. The near point of a person has shifted from 25 cm to 75 cm. Name the o...

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  10. What is meant by accommodation of the eye ?

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  11. Explain the phenomenon of dispersion of white light through a glass pr...

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  12. What is the difference between monochromatic light and polychromatic l...

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  13. What is visible spectrum ? How do we classify it as pure specturm and ...

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  14. What is cataract ? How is it corrected ?

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  15. The sun appears oval at sunrise and sunset, but appears circular at no...

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  16. (a) Why do spectrum colours recombine on passing through two prisms or...

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  17. A child while playing with his father's spectacles, burnt a hole in a ...

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  18. What is the myopia (near sightedness) ? Draw a ray diagram to show how...

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  19. (a) What are bifocal lenses ? When are they required to be used ? (b...

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  20. Give one example of dispersion of sunlight in nature. Draw course of r...

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