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प्रश्न
Give reason why the smoke from fire looks white.
उत्तर
The smoke from the fire looks white because the size of the particle is bigger than the wavelength of light and hence it scatters light of all wavelength which makes it look white.
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संबंधित प्रश्न
Answer the following questions in your own words.
What is meant by 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.
Various shades of colour are seen in the sky at sunrise and sunset due to ______.
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?
The deflection of light by minute particles and molecules of the atmosphere in all directions is called ____________ of light.
Which of the following statements is correct regarding the propagation of light of different colours of white light in air?
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 ______.
