Single Answer MCQ
Q-00019810
Why is red light used for 'danger' signals?
1
It is less intense
2
It is scattered less
3
It is a warm color
4
It has a longer wavelength
Answer and Solution
Answer
B. It is scattered less
Solution:
Red light is used for 'danger' signals because it scatters less in fog or smoke, making it easier to see at a distance compared to other colors.
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