Which atmospheric phenomenon causes stars to twinkle? MCQ with Answer and Explanation

Which atmospheric phenomenon causes stars to twinkle?
A. Diffraction
B. Refraction
C. Dispersion
D. Reflection
Answer: Option B
Solution (By JKExamLibrary)
Stars appear to twinkle because their light is refracted by layers of Earth's atmosphere.

This question belongs to: Geography GK Physical Geography

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Practice More Physical Geography Questions

Question #1 Report Error
Which force is responsible for the movement of tectonic plates?
A. Magnetic Force
B. Convection Currents
C. Gravitational Force
D. Frictional Force

Correct Answer: Option B


Explanation:
Convection currents in the mantle drive the movement of tectonic plates.

This question belongs to: Geography GK Physical Geography
Question #2 Report Error
Which is the largest coral atoll nation in the world?
A. Iceland
B. Maldives
C. Fiji
D. Sri Lanka

Correct Answer: Option B


Explanation:
The Maldives consists of numerous coral atolls and is the world's largest coral atoll nation.

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Question #3 Report Error
Which landform is formed by glacial deposition?
A. Canyon
B. Moraine
C. Sea Cliff
D. Arch

Correct Answer: Option B


Explanation:
Moraines are accumulations of rocks and sediments deposited by glaciers.

This question belongs to: Geography GK Physical Geography