why is convex mirror used in traffic lights?

Asked by nupur_sawke | 5th Aug, 2008, 08:22: PM

Expert Answer:

Traffic lights , the ones at road intersections, do not use mirrors. Nowadays they have colored LEDs red, green etc. and are covered with a convex transparent glass.


Answered by  | 7th Aug, 2008, 04:47: PM

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