Question:

Have you ever noticed that when a Police officer stops some one or you see them on the side of the road?

by  |  earlier

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and they have there emergancy lights on (Red n Blue) the Blue light looks lower then the red light from a distance why is that?

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2 ANSWERS


  1. they are the same level, the guy above me is right with his eyes being more sensitive to red than blue thing


  2. Simple - the human eye is more sensitive to red light than blue.

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