why are danger signals red in colour
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2
Answer:
Danger signal light are red in color because the red colored light having longer wavelength is scattered the least by fog.
Explanation:
It is all about scattering effect of lights with different colors. The scattering of light is inversely proportional to the fourth power of the wavelength of the light.
Answered by
4
Answer:
The primary reason for why the colour in red is used for danger is that red light scattered the least by air molecules. The effect of scattering is inversely related to the forth power of the wavelength of colour. So, red light is able to travel the longest distance through fog , rain and alike.
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