Red color is used in danger signal because it scatters to a wider angle.

True

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False

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Solution

The correct option is B
False

Red color is scattered the least when it strikes the small particles of fog and smoke because it has the maximum wavelength, which is why we can see it from far. That is why red color is used in danger signals.

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Red color is used in danger signal because it scatters to a wider angle.

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Q. The colour red is used for danger signals because of its long wavelength.

Topic-Scattering of Light

Q. The sky appears blue as the blue colour of the white light from the sun is scattered the most. So, it means we see the sky as blue because only the blue colour gets scattered. Now, danger signals are painted red which scatters the least. If red scatters the least, how can we see the red colour and if we cannot see the red color, how can we see the signal?

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Red color is used in danger signal because it scatters to a wider angle.

The correct option is B False Red color is scattered the least when it strikes the small particles of fog and smoke because it has the maximum wavelength, which is why we can see it from far. That is why red color is used in danger signals.

The correct option is B
False

Red color is scattered the least when it strikes the small particles of fog and smoke because it has the maximum wavelength, which is why we can see it from far. That is why red color is used in danger signals.