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Class 10 Science Medium Mcq English Medium

'Danger' signal lights are typically red in colour mainly because colour

Question
'Danger' signal lights are typically red in colour mainly because colour
red is the cheapest colour of light bulb to manufacture
red light is least scattered by fog or smoke, so it can be seen at a distance in the same
red is a legally mandated colour with no scientific reasoning
red light travels slower than other colours, making it easier to see
Answer
red light is least scattered by fog or smoke, so it can be seen at a distance in the same
Detailed Explanation
The chapter explains that red is chosen for danger signals because it is least scattered by fog or smoke, allowing it to be seen clearly at a distance.
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