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The sky would appear red instead of blue...

The sky would appear red instead of blue if

A

atmospheric particles scatter blue light more than red light

B

atmospheric particles scatter all colours equally

C

atmospheric particles scatter red light more than the blue light

D

the sun was much hotter

Text Solution

Verified by Experts

The correct Answer is:
C
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(a) Give reasons for the following: (i) The sky appears to be blue during day time to a person on earth. (ii) The sky near the horizon appears to have a reddish hue at the time of sunset and sunrise. (iii) The sky appears dark instead of blue to an astronaut. (iv) The stars appear to twinkle. (v) The planets do not twinkle.

Why does the sky appear dark instead of blue to an astronaut?

Why does the sky appear dark instead of blue to an astronaut ?

The sky appears blue due to:

CP SINGH-WAVE NATURE OF LIGHT-EXERCISES
  1. When a beam of light is used to determine the position of an object, t...

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  2. Which of the following diagrams represent the veriation of electric fi...

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  3. A ray of light is incident on the surface of a glass plate at an angle...

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  4. When light is incident on a transparent surface at the polarising angl...

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  5. The angle of incidence at which reflected light is totally polarized f...

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  6. The angle of polarisation for any medium is 60^@. What will be critica...

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  7. When the angle of incidence on a material is 60^(@), the reflected lig...

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  8. Plane polarised light is passed through a polaroid. On viewing through...

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  9. A beam of light AO is incident on a glass slab (mu=1.54) in a directio...

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  10. The graph showing the dependence of intensity of transmitted light on ...

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  11. When an unpolarized light of intensity I0 is incident on a polarizing ...

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  12. Four polaroids are placed such that the optic axis of each is inclined...

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  13. Two polaroids are placed in the path of unpolarized beam of intensity ...

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  14. A beam of unpolarised light is passed first through tourmaline crystan...

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  15. An optically active compound

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  16. the reason of seeing the sun a little before the sunrise is

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  17. Check the correct statements on scattering of light S1: Rayleigh sca...

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  18. If the ratio of amounts of scattering of two light waves is 1:4, the r...

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  19. An astronaut in a spsceship sees the outer space as

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  20. The sky would appear red instead of blue if

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