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प्रश्न
Why does the sky appear in blue colour?
Why does sky appear blue on the surface of earth?
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उत्तर
When sunlight passes through the atmosphere, the blue colour (shorter wavelength) is scattered to a greater extent than the red colour (longer wavelength). This scattering causes the sky to appear in blue colour.
संबंधित प्रश्न
Answer the following questions in your own words.
What is meant by scattering of light?
The sky at noon appears white. Give reason.
Give reasons:
Space beyond the earth's atmosphere appears dark.
Give some examples of scattering of light that we come across in day-to-day life.
Answer the following question in your own words:
What is meant by the scattering of light?
Answer the following question in your own words:
Will the laser beam be seen if it passes through a glass box which contains a lighted incense stick?
The deflection of light by minute particles and molecules of the atmosphere in all directions is called ____________ of light.
One cannot see through the fog, because ____________.
Which of the following statements is correct regarding the propagation of light of different colours of white light in air?
Which of the following phenomena contributes significantly to the reddish appearance of the sun at sunrise or sunset?
The bluish colour of water in deep sea is due to
When light enters the atmosphere it strikes extremely fine particles, which deflect the rays of light in all possible directions, This is due to ______.
When a beam of white light passes through a region having very fine dust particles, the colour of light mainly scattered in that region is ______.
Name the phenomenon of light responsible for Tyndall effect. Write an event where this phenomenon can be observed.
