Q. 1 N5.0( 1 Vote )

Which phenomenon is responsible for the twinkling of stars?
A. Atmospheric reflection

B. Atmospheric refraction

C. Reflection

D. Total internal reflection

Answer :

The phenomenon responsible for the twinkling of the stars is atmospheric refraction which occurs due to the dense air in the earth’s atmosphere. Due to mobility and the change in temperature of the air the refractive index keeps on changing continuously and randomly. So, the apparent position of the star is not steady and it appears to be twinkling.

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