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The blue colour of the water of the sea ...

The blue colour of the water of the sea is due to :

A

the presence of algae and other plants found in water

B

reflection of sky in water

C

scattering of light by sea particles

D

absorption of light by the sea particles

Text Solution

Verified by Experts

The correct Answer is:
C
The bluish colour of water in deep sea is due to scattering of light as the very fine particles in water scatter mainly blue light. The red, green, orange and yellow having longer wavelengths are absorbed more strongly by water than blue which has shorter wavelength. So, when white light from the sun enters the sea, it is mostly the blue that gets returned.
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NCERT EXEMPLAR-THE HUMAN EYE AND THE COLOURFUL WORLD -The Human Eye And The Colourful World
  1. Which of the following statements is correct regarding the propagation...

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  2. The danger signals installed at the top of tall buildings are red in c...

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  3. Which of the following phenomena contributes significantly to the redd...

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  4. The blue colour of the water of the sea is due to :

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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. Draw ray diagrams each showing (i) myopic eye and (ii) hypermetrop...

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  8. A student sitting at the back of the classroom cannot read clearly the...

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  9. How are we able to see nearby and also the distant objects clearly?

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  10. Nooper needs a lens of power - 4.5 D for correction of her vision. (...

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  11. How will you use two indentical prisms so that a narrow beam of white ...

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  12. Draw a ray diagram showing the dispersion through a prism when a narro...

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  13. Is the position of a star as seen by us its true position? Justify you...

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  14. Why do we see a rainbow in the sky only after rainfall?

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  15. Why does clear sky appear blue ?

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  16. What is the difference in colours of the sun observed during sunrise/s...

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  17. Explain the refraction of light through a triangular glass prism using...

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  18. How can we explain the reddish appearance of sun at sunrise or sunset?...

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  19. Explain the phenomenon of dispersion of white light through a glass pr...

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  20. How does refraction take place in the atmosphere? Why do stars twinkl...

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