describe an experiment for scattering of light
Answers
Scattering of light
Scattering is the phenomenon 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 atmospheric scattering, blue light is scattered the most while red light is scattered the least.
During day, red light is not scattered as the light travels lesser distance and scattering of blue light by the atmosphere makes it appear blue.
During sunrise/sunset, sunlight has to travel larger distance and blue light is scattered away. Since the red light is scattered less, it can travel longer distances and hence, sun appears reddish during sunrise/sunset.
For this a colloidal solution is taken in which the solute does not dissolves in the solution.
Then light is passed through the solution . Then we observe that we are able to see the path of light due to scattering of light rays by the undissolved particles of the solution.
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