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Write in one word or at most one sentenc...

Write in one word or at most one sentence about the following
The smallest distance, at which the eye can see objects clearly without strain.

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MODERN PUBLICATION-THE HUMAN EYE AND THE COLOURFUL WORLD-EXERCISE
  1. A student has difficulty in reading the blackboard while sitting in th...

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

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

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

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

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

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

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

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

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  10. At noon the sun appears white as

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

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  12. Twinkling of stars is due to atmospheric:

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  13. The sky appears blue, because.

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  14. Which of the following statements is correct regarding the propagation...

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

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  16. The water in deeper sections of sea/ocean is much colder than that at ...

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  17. When light rays enter the eye, most of the refraction occurs at the

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

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  19. Which of the following statements is correct?

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  20. The colour of sky as seen from the moon, where there is no atmosphere,...

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