Physics

Problem

10.3 (a) The refractive index of glass is 1.5. What is the speed of light in glass? (Speed of light in vacuum is

3.0 \times 10^{8} \, \mathrm{~m} \, \mathrm{~s}^{-1}

) (b) Is the speed of light in glass independent of the colour of light? If not, which of the two colours red and violet travels slower in a glass prism?

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