Advertisements
Advertisements
प्रश्न
Which of the following phenomena contributes significantly to the reddish appearance of the sun at sunrise or sunset?
पर्याय
Dispersion of light
Scattering of light
Total internal reflection of light
Reflection of light from the earth
Advertisements
उत्तर
Scattering of light
Explanation -
Red colour scatters the least and hence travels the farthest. During sunset or sunrise, light has to travel a longer distance to reach us.
Hence, only red light reaches us and the sky appears reddish.
APPEARS IN
संबंधित प्रश्न
What do you understand by the term Scattering of light?
How does the intensity of scattered light depend on the wavelength of incident light? State conditions when this dependence holds.
The sky at noon appears white. Give reason.
Give reason why the smoke from fire looks white.
Various shades of colour are seen in the sky at sunrise and sunset due to ______.
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.
Why does the sky appear in blue colour?
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?
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.
