CBSE BOARD X, asked by anonymous16102, 5 months ago

Why does the traffic signal have the red light in the top and it can be seen far off​

Answers

Answered by Aaryan1919
3

Answer:

Red is the color with the longest wavelength, so it can be seen from a greater distance than other colors. The color yellow was used to caution drivers because it has a slightly shorter wavelength than red, but not as short as green.

Explanation:

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