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Cataract is correct by...

Cataract is correct by

A

placing a concave lens in front of eye

B

placing a convex lens in front of eye

C

placing a cylindrical lens in front of eye

D

replacing the eye lens by another artifical lens.

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MODERN PUBLICATION-THE HUMAN EYE AND THE COLOURFUL WORLD-EXERCISE
  1. The fluid present between eye lens and retina is called

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  2. The wavelength of violet coloured light is

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

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  4. Cataract is correct by

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

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  6. True or false The human eye lens is concave?

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  7. True or false The far point of human eye to 25 cm.

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  8. True or false Pupil of human eye is small hole in iris.

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  9. True or false Long sightedness is also called myopia.

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  10. True or false Danger signals are red because red colour is scattered t...

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  11. Fill ups The colour of white light at the upper end of visible spectru...

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  12. The sky appears blue, because.

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  13. The bluish colours of water in deep sea is due to

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  14. Myopia is corrected by

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  15. A 14 years old boy cannot read question written on the black-board lyi...

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  16. What is the function of ciliary muscles in the eye?

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  17. Red colour is used for danger sgnals because of its.

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  18. Image formed by a myopia eye without corrective lens at a

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  19. Explain what is observed when abeam of light is passed through colloid...

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  20. A person canot see distinctly objects kept beyond 2 m. this defect can...

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