Reason for Using Red Light in Traffic Signals
A red light is used in traffic signals because ________.
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4
The colour red indicates a warning, danger and wants us to stop. The colour red has the highest wavelength, which means it can be seen from very far away. That is the reason.
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A red light is used in traffic signals because it has highest wavelength and it can be seen from a long distance and it can pass through fogg
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