The speed of light in vacuum is

PHYSICS · Multi-part · CBSE · Physics · Light — Reflection and Refraction · Light — Reflection and Refraction

Problem

3.0\times10^{8}\,\text{m s}^{-1}

. In turpentine the speed of light is

2.0\times10^{8}\,\text{m s}^{-1}

, while in kerosene it is

2.25\times10^{8}\,\text{m s}^{-1}

. (a) Calculate the absolute refractive index of (a) turpentine, (b) kerosene. (b) Which of the two liquids is optically denser?