Science, asked by Krishna1107, 1 year ago

why red light is used for danger signal?

Answers

Answered by sid105
3
because red colour can be seen from far away
Answered by Sharafali
6
The primary reason why the color redis used for danger signals is that red light is scattered the least by air molecules. The effect of scattering is inversely related to the fourth power of the wavelength of a color.
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