JKSSB Mock Tests

Twinkling of stars is primarily due to which optical phenomenon?

A. Atmospheric Refraction
B. Dispersion of light
C. Internal Reflection
D. Tyndall effect
Answer: Option A
Solution (By JKSSB Mock Tests Team)
Stars twinkle because their light undergoes continuous atmospheric refraction as it passes through the varying densities of Earth's atmosphere. This causes the apparent position and brightness of the star to fluctuate.
This Question Belongs to: General science Physics set 1
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