UPSSSC PET 29 Oct 2023 Shift 1 Paper

© examsiri.com

Question : 55 of 100

Marks: +1, -0

What is the reason behind the twinkling of stars?

Scattering of light by dust particles.
Internal reflection of light by clouds
Atmospheric refraction of star light
Dispersion of light by water droplets.

Go to Question:

Prev Question

Next Question