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Sea water at more depth appears blue. Th...

Sea water at more depth appears blue. The reason is …….....

A

presence of some plants in sea water.

B

the image of the sky appears in water.

C

scattering of light.

D

light is absorbed by sea water.

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The correct Answer is:
A, C
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KUMAR PRAKASHAN-THE HUMAN EYE AND THE COLOURFUL WORLD-OBJECTIVE QUESTIONS AND ANSWERS (Choose the correct option)
  1. The base of an equilateral triangle ABC is BC. When it is arranged in ...

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  2. The Sun appears white in afternoon. The reason is ..........

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  3. Sea water at more depth appears blue. The reason is …….....

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  4. When the ciliary muscles are relaxed, the eye lens becomes ......... a...

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  5. When the ciliary muscles contract, the eye lens becomes ......... and ...

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  6. The rainbow on the moon …

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  7. In dispersion of white light due to a triangular glass prism, the devi...

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  8. Which lens from the following, should a person suffering from near-sig...

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  9. Which lens is used by a person suffering from far-sightedness?

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  10. Which of the following is true for near sightedness?

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  11. Which of the following is true for far- sightedness?

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  12. Where is the image formed in the eye of a person suffering from far si...

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  13. A person has a defect of eye vision. His near point is 40 cm. It means...

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  14. A person has a defect of vision. His far point is 1.5 m. It means...

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  15. Out of the following, which light is deviated minimum in the dispersio...

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  16. Which light has maximum speed in glass?

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  17. Which ray of light is present exactly at the middle of the spectrum ob...

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  18. The lens in human eye is a ...........

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  19. For persons suffering from near-sightedness the power of the lens used...

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  20. For a person suffering from .......... the power of the lens used in s...

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