Does this person lying down observe red or blue light, and what about the person

Question

Does this person lying down observe red or blue light, and what about the person standing there? *and why*? Thanks

9 the sky is blue The amount of light scattered from a molecule is maximum when Why the wavelength is comparable to the size of the molecule%in the atmosphere. molecules are generally smaller than the wavelength of visible light, except for blue, which scatters better than red off of dust particles in upper atmosphere. Sunsets appear red because most of the blue has been scattered off in all directions. Polarization occurs on reflection from a smooth surface (lake, tabletop)

Explanation / Answer

At the time of sun set and sun rise the sun is at horizon .the rays from the sun has to travel a larger part of atmosphere wavelength of blue is much lesser than wavelength of red and intensity of scattered light is inversely proportional to wavelength power 4 . Therefor most of the blue light scattered away. Only red colour which is least scattered enters into eyes and appears to come from sun hence both these observers will observe red light.

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