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Why are the traffic light stop signals are of red color?

Asked by Topperlearning User 16th May 2014, 2:37 PM
Answered by 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 Expert 16th May 2014, 4:37 PM
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