The refractive index of water is

PHYSICS · Single correct · CBSE · Physics · Light — Reflection and Refraction · Light — Reflection and Refraction

Problem

The refractive index of water is 43\frac{4}{3}. The speed of light in water is (1) 1.50×108 m s−11.50\times10^8\,\mathrm{m\,s^{-1}} (2) 1.78×108 m s−11.78\times10^8\,\mathrm{m\,s^{-1}} (3) 2.25×108 m s−12.25\times10^8\,\mathrm{m\,s^{-1}} (4) 2.67×108 m s−12.67\times10^8\,\mathrm{m\,s^{-1}}

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