Physics

Problem

The refractive index of crown glass for yellow light is 1.52. Calculate the speed of yellow light in crown glass. a)

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

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

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

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