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Hypermetropia is corrected by...

Hypermetropia is corrected by

A

concave lens

B

convex lens

C

concave mirror

D

convex mirror

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What is Hypermetropia (Far sightedness) ? What are its causes ? How can it be corrected ?

The near point of a person suffering from hypermetropia is 75 cm. calculate the focal length and power of the lens required to enable him to read the newspaper which is kept at 25 cm form the eye.

Which is not correct

The near point of a hypermetropia eye is 1 m find the power of the lens required to correct this defect . Assume that near point of the normal eye is 25 cm

The statement that is not correct is

MODERN PUBLICATION-THE HUMAN EYE AND THE COLOURFUL WORLD-EXERCISE
  1. The major convergence of rays reaching the eyes is done by

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  2. Myopia is corrected by

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  3. Hypermetropia is corrected by

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  4. The intensity of light entering the eye is controlled by

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  5. A prism splits a beam of white ligth into its seven constituent colour...

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  6. Twinkling of stars is due to atmospheric:

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

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  8. True or False : A sensory nerve conducts nerve impulses from brain to...

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  9. A student has difficulty in reading the blackboard while sitting in th...

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  10. Write in one word or at most one sentence about the following Mirrors ...

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  11. Write in one word or at most one sentence about the following The smal...

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  12. The far point of a myopic person is 80 cm. In front of the eye. What i...

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  13. Why are dnger signals red in colour?Give reason.

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  14. Mention the type of mirrors used as rear view mirrors. List reasons to...

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

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  16. State the symptom cause and the nature of the lens used to correct the...

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  17. Answer briefly: How does the eye regulation the amount of light that f...

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  18. At noon the sun appears white as

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  19. Which of the following is not the property of light?

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  20. Twinkling of stars is due to atmospheric:

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