The speed of light in a medium is \(2 \times 10^8\) m/s. The absolute refractive index of the medium is

A. 1.5

B. 0.67

C. 2

D. 6

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

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Best answer

Answer: A. 1.5

\(n = \frac{c}{v} = \frac{3 \times 10^8}{2 \times 10^8} = 1.5\).

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

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