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why the danger signal is red??

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why the danger signal is red??

Posted by Sana Ali 5 years, 8 months ago

CBSE > Class 10 > Science

1 answers

Pragati Jain 5 years, 8 months ago

Red is the least scattered colour. It is least scattered by fog and smoke and can be seen in the same colour over a long distance, so light of red colour are used for danger signals

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