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Atmospheric refraction advances sunrise ...

Atmospheric refraction advances sunrise and delays sunset by

A

2 sec

B

2 min

C

20 min

D

2 hrs

Text Solution

Verified by Experts

The correct Answer is:
B
2 min
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What is atmospheric refraction ? Use this phenomenon to explain the following natural events : (i) Twinkling of stars (ii) Advanced sunrise and delayed sunset. Draw diagram to illustrate your answer.

How does atmospheric refraction affect the duration of the day on the earth?

Explain why there is an early sunrise or a late sunset.

ZEN PUBLICATION-THE HUMAN EYE AND THE COLOURFUL WORLD-ZEN ADDITIONAL QUESTIONS SECTION (MULTIPLE - CHOICE QUESTIONS)
  1. A student traces the path of a ray of light through a triangular glass...

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  2. Which colour is scattered the most ?

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  3. Atmospheric refraction advances sunrise and delays sunset by

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  4. What is Tyndall effect ?

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

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  6. The focal length of the eye lens increases when eye muscles

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  7. Which of the following statements is correct ?

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  8. The change that occurs in the eye to see the distant object clearly is

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  9. Light enters of the eye through a thin, transparent membrane known as

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  10. Human eye can be compared to

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  11. The type of lens present in the human eye is

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  12. The image formed by retina of human eye is

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  13. The phenomenon of light responsible for the working of the human eye i...

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  14. Which part of the eye works like a photographic plate of a camera ?

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  15. In normal human eye, the image is formed

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  16. The fluid between the retina and the eye lens is called

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  17. Which vision defect causes the eye lens to become milky and cloudy ?

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  18. The defect of vision which occurs due to excessive curvature of the ey...

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  19. The defect of vision arises when the focal length of the eye is too lo...

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  20. Which part of the human eye is mainly donated after death ?

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