why are the dangers signals on the cross road red in colour?
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reason is that
===> it is of high wave-length
===> and has least scattering due to dust,fog etc
===> hence visible from a large distance
>>>
>>
>
hope this is helpful
===> it is of high wave-length
===> and has least scattering due to dust,fog etc
===> hence visible from a large distance
>>>
>>
>
hope this is helpful
mohorghosh4:
Hmm!
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