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Red light is used in signals to stop vehicles because its

(a) Color is a symbol of danger\[\](b) Wavelength is long so it travels longer unscattered and it is visible from long distance\[\](c) Wavelength is short so it travels longer and it is visible from long distance\[\](d) Energy is high so it is visible from long distance
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Answer : Wavelength is long so it travels longer unscattered and it is visible from long distance
Red light is used in signals to stop vehicles because its -
Wavelength is long so it travels longer unscattered and it is visible from long distance
answered Apr 13, 2014 by yamini.v
 

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