The speed of light in vacuum is

A. \(3 \times 10^6\) m/s

B. \(2 \times 10^8\) m/s

C. \(3 \times 10^{10}\) m/s

D. \(3 \times 10^8\) m/s

Doubtly AI Asked 24 Oct 2026 AI-verified · Oct 2026 ssc 10th Save WhatsApp Report

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Answer: D. \(3 \times 10^8\) m/s

The speed of light in vacuum is \(3 \times 10^8\) m/s.

Doubtly AI · 24 Oct 2026 AI-verified · Oct 2026 Report

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