Which gas makes the sky look blue? MCQ with Answer and Explanation

Question Report Error

Which gas makes the sky look blue?

A. Oxygen

B. Nitrogen

C. Carbon Dioxide

D. Argon

Answer: Option B

Solution (By JKExamLibrary)

Rayleigh scattering, where sunlight interacts with molecules (primarily nitrogen), causes the sky to appear blue.

This question belongs to: Static General Knowledge Science and Technology

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Practice More Science and Technology Questions

Question #1 Report Error

Which of the following is an Indian supercomputer?

A. PARAM

B. Tianhe

C. Fugaku

D. Summit

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Correct Answer: Option A

Explanation:
PARAM series are Indian supercomputers.

This question belongs to: Static General Knowledge Science and Technology

Question #2 Report Error

What is the speed of sound in air at room temperature approximately?

A. 450 m/s

B. 300,000,000 m/s

C. 1500 m/s

D. 330 m/s

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Correct Answer: Option D

Explanation:
The speed of sound in air is approximately 330-343 meters per second at 20°C.

This question belongs to: Static General Knowledge Science and Technology

Question #3 Report Error

Which of these is an example of a supercomputer?

A. iPhone

B. PlayStation

C. Kindle

D. PARAM

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Correct Answer: Option D

Explanation:
PARAM is a series of supercomputers developed in India.

This question belongs to: Static General Knowledge Science and Technology

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