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Hint: Scattering of light is the incident in which light rays get deviated from its straight path on striking an obstacle like dust or gas molecules, water vapours etc. By which they got scattered in different colours of light.
Complete step by step answer:
Scattering is the phenomena in which light ray is redirected in all other directions on passing through particles of dimensions comparable to the wavelength of the light.
Due to particles present in the atmosphere or by atmospheric scattering blue light is scattered the most while red light is scattered the least.
The scattered light colour depends on the size of the Scattering particles. The particles of very small size scatter mainly blue light whereas, the particles of larger size scatter lights of longer wavelengths. The sky appears blue because the fine particles in the atmosphere scatter blue light most among all the components of white light.
Figure: Scattering of light
At Sunrise, the sun is located near the horizon. Hence, the light has to travel a long distance through the Earth's atmosphere at the time of sunrise or sunset. When sunlight falls on suspended atmospheric particles, the blue colour light scatters out in the atmosphere, while the red colour light scatters less and reaches the eyes of the observer on the surface of the Earth.
Hence, when this less scattered red light reaches the eyes of the observer, the sun and its surroundings appear reddish.
Note:
Atoms or molecules which are exposed to light absorb light energy and re-emit light in different directions with different intensity. This is the Phenomena of Scattering.
Complete step by step answer:
Scattering is the phenomena in which light ray is redirected in all other directions on passing through particles of dimensions comparable to the wavelength of the light.
Due to particles present in the atmosphere or by atmospheric scattering blue light is scattered the most while red light is scattered the least.
The scattered light colour depends on the size of the Scattering particles. The particles of very small size scatter mainly blue light whereas, the particles of larger size scatter lights of longer wavelengths. The sky appears blue because the fine particles in the atmosphere scatter blue light most among all the components of white light.
Figure: Scattering of light
At Sunrise, the sun is located near the horizon. Hence, the light has to travel a long distance through the Earth's atmosphere at the time of sunrise or sunset. When sunlight falls on suspended atmospheric particles, the blue colour light scatters out in the atmosphere, while the red colour light scatters less and reaches the eyes of the observer on the surface of the Earth.
Hence, when this less scattered red light reaches the eyes of the observer, the sun and its surroundings appear reddish.
Note:
Atoms or molecules which are exposed to light absorb light energy and re-emit light in different directions with different intensity. This is the Phenomena of Scattering.
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