Question
Stars twinkle due to refraction in fluctuating atmosphere.

Answer

Atmosphere of the Earth.
Explanation:
Stars twinkle because of turbulence in the atmosphere of the Earth.
As the atmosphere churns, the light from the star is refracted in different directions.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free