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Speed of light in vacuum is correctly associated with which of the following?

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Question ID #27534 UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC 2026 Full-Length Mock Test 10 Medium

Correct Answer: C. approximately 3 × 10^8 m/s
Light travels in vacuum at about 3 × 10^8 metres per second.

Question: Speed of light in vacuum is correctly associated with which of the following?

A. K

B. H2O

C. approximately 3 × 10^8 m/s

D. newton

Correct Answer: C. approximately 3 × 10^8 m/sLight travels in vacuum at about 3 × 10^8 metres per second.

Speed of light in vacuum is correctly associated with which of the following? - MCQ Explanation

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Correct answer: C. approximately 3 × 10^8 m/s