1.

The twinkling of star is due to :(a) Scattering of light(b) Dispersion of light(c) Tyndall effect(d) Atmospheric refraction

Answer»

Correct answer is (d) Atmospheric refraction

The twinkling of stars is due to atmospheric refraction of star-light. the refraction of light caused by the earth's atmosphere having air layers of varying optical density is called atmospheric refraction.



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