A science museum is designing a demonstration to explain why the sky appears blue during the day but takes on reddish hues during sunrise and sunset. Which explanation best accounts for these observations based on the scattering of light in the atmosphere?

Question

A science museum is designing a demonstration to explain why the sky appears blue during the day but takes on reddish hues during sunrise and sunset. Which explanation best accounts for these observations based on the scattering of light in the atmosphere? — Exam MCQ

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A. Shorter wavelengths scatter more strongly, while longer atmospheric paths at sunset favour red wavelengths. — Shorter wavelengths, especially blue light, are scattered more strongly by the atmosphere than longer wavelengths, making the sky appear blue.

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B. Atmospheric absorption removes red light during the day, while removing blue light at sunset.

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C. The Sun emits more blue light during the day, while emitting more red light at sunset.

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D. Dust particles scatter all wavelengths equally, while increased dust at sunset makes red light more visible.

A science museum is designing a demonstration to explain why the sky appears blue during the day but takes on reddish hues during sunrise and sunset. Which explanation best accounts for these observations based on the scattering of light in the atmosphere?

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