Question

Due to refraction of light in atmosphere:

• A. Stars appear to twinkle
• B. The sun appears to be oval in morning and evening
• C. The period of visibility of the sun is increased
• D. The phenomena of mirage and looming take place

Answer 1

Answer: (A), (B), (C), (D)

The correct options are
A Stars appear to twinkle
B The sun appears to be oval in morning and evening
C The period of visibility of the sun is increased
D The phenomena of mirage and looming take place

Due to refraction of light in atmosphere, stars appear to twinkle, the sun appears to be oval in morning and evening, the period of visibility of the sun is also increased and the phenomena of mirage and looming takes place.