The absolute refractive index of glycerine is 1.47

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

Problem

The absolute refractive index of glycerine is 1.47. Calculate the speed of light in glycerine. Take the speed of light in vacuum as

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

. (a)

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

(b)

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

(c)

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

(d)

2.9\times10^{7}\,\text{m s}^{-1}