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What is the time difference between actu...

What is the time difference between actual sunset and apparent sunset?

A

2 seconds

B

20 seconds

C

2 minutes

D

20 minutes

Text Solution

Verified by Experts

The correct Answer is:
B
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KUMAR PRAKASHAN-THE HUMAN EYE AND THE COLOURFUL WORLD-OBJECTIVE QUESTIONS AND ANSWERS (Choose the correct option)
  1. Which phenomenon is responsible for the twinkling of stars ?

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  2. The phenomenon of ......... of light by the colloidal particles gives ...

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  3. What is the time difference between actual sunset and apparent sunset?

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  4. Which light gets scattered maximum due to atmosphere?

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  5. Which light has minimum speed in glass (prism)?

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  6. When an eye is focussed on a distant object, the focal length of the e...

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  7. How many surfaces does a triangular prism have ?

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  8. The wavelengths of violet, yellow and red light are lambda(v), lambda(...

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  9. For normal vision, the far point is at…………. distance.

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  10. For normal vision, the near point is ............

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  11. Which phenomenon can explain the advance sunrise and the delayed sunse...

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  12. Which of the following phenomena cannot be explained by scattering of ...

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  13. The base of an equilateral triangle ABC is BC. When it is arranged in ...

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

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

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

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

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  18. The rainbow on the moon …

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

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

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