why the colour of dangerous is red?
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Answer:so that it could be easily viewed from distance.
Red light scatters the least .
Scattering of light is inversly proportional to 4th power of wave length.
And read light has highest wavelenght as compared to other colours.
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Answer:
When the light passes through atmosphere, it gets scattered by small air particles. The scattering of light is inversely proportional to the fourth power of its wavelength. As the red light has the highest wavelength among all the colours, so it is scattered the least. Due to which most of the light gets reflected back and can travel longer distances through rain, fog, dust etc. to reach our eyes effectively.
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