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🏠 Home › MCQs › International Current Affairs › Question

What atmospheric principle causes the sky to appear reddish-orange during sunrise and sunset?

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By Zain

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Published 13 Jan 2026

A. Mie Scattering

B. Tyndall Effect

C. Rayleigh Scattering

D. Diffraction

E. Refraction

💡 Explanation:

The reddish-orange appearance of the sky at sunrise and sunset is primarily due to Rayleigh Scattering. As sunlight travels a longer path through the atmosphere when the Sun is low, shorter blue wavelengths are scattered away more efficiently by air molecules, allowing longer red and orange wavelengths to pass directly through to the observer.

📚 Topics: International Current Affairs

🎯 Exams: CSS GEN NTS PMS UK_CS US_COMP

🏷️ Tags: Atmospheric Optics General Science Meteorology Physics Rayleigh Scattering

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