Question

why it is observed that danger signal lights are red in colour??✨✨✨​

Answer 1

Answer:

Danger signals are red in color because it is scattered the least by air molecules. The effect of scattering is inversely related to the fourth power of the wavelength of a color. ... So, red light is used as a danger signal as it is able to travel the longest distance through the fog, rain, etc.

Explanation:

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Answer 2

Answer:

yes they are in red colour

Explanation:

because red colour is not only attractive but also replective.

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