Why traffic signals use red not blue are any other color
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Answered by
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It's because of the wavelength of red light.It can travel far more than other lights.It caneven travel through storm, dust and smog but sure reach the destination.
So this is used in traffic signals and in towers too.
You can observe the same phenomenon in setting sun's redsky!
So this is used in traffic signals and in towers too.
You can observe the same phenomenon in setting sun's redsky!
Anonymous:
ya ask
Blue is third and red is seventh then the blue should have the more wavelength than red
Answered by
2
it is because the wavelength of red light can travel far as compared to other coloured lights
hope this helps you.Plzz mark me as brainleist
hope this helps you.Plzz mark me as brainleist
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