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The water in deeper sections of sea/ocea...

The water in deeper sections of sea/ocean is much colder than that at the surface. Discuss how can this difference in the temperature be exploited to obtain energy?

A

the presence of algae and other plants found in water

B

reflection of sky in water

C

scattering of light by the sea

D

absorption of light by the sea

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MODERN PUBLICATION-THE HUMAN EYE AND THE COLOURFUL WORLD-EXERCISE
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  2. The sun appears red at sun rise or sunset, why?

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

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

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

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  6. Which of the following statements is correct?

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

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  8. A dichromatic light of wavelength 5600 oversetcircA and 6300 oversetci...

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  9. Amount of light entering into the camera depends upon:

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  10. The far point of myopic person is 75 cm in front of the eye. The natur...

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

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  12. The SI unit of power is

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  13. Myopia is corrected by

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  14. Two lenses have powre -3D and +1D respectively are put together. The p...

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  15. The fluid present between eye lens and retina is called

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  16. The wavelength of violet coloured light is

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

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  18. Cataract is correct by

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

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

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