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CBSE Class 10 Answered

Why are the traffic light stop signals are of red color?
Asked by Topperlearning User | 16 May, 2014, 02:37: PM
answered-by-expert Expert Answer

In the visible spectrum, the red color has the largest wavelength. The red colour is least scattered by fog or dust particles. So we can observe red colour easily even in foggy conditions. That is why stop signals have red colour.

Answered by | 16 May, 2014, 04:37: PM

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