Answers

2015-06-03T15:58:52+05:30
The red light is least scattered by the particles of smoke and fog due to its longer wavelength.therefore, red light can be seen distinctly at a distance.
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2015-06-03T16:00:55+05:30
The red is least scattered by fog or smoke. Therefore, it can be seen in the same colour at a distance. Hence we will be aware of the danger even in such consequences.
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