1
Question
The danger signal is red. Why?
The danger signal is red. Why?
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Solution
Among the colours of visible light, red has maximum wavelength and hence it is least scattered. This allows red light to travel long distances without getting scattered. Hence, danger signals are red.
Among the colours of visible light, red has maximum wavelength and hence it is least scattered. This allows red light to travel long distances without getting scattered. Hence, danger signals are red.
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