The refractive index of crown glass for yellow light is 1.52

PHYSICS · Single correct · A Level · Physics · Waves · Waves

Problem

The refractive index of crown glass for yellow light is 1.52. Calculate the speed of yellow light in crown glass. (a) 2.08×108 m s−12.08\times10^{8}\,\text{m s}^{-1} (b) 1.56×108 m s−11.56\times10^{8}\,\text{m s}^{-1} (c) 1.97×108 m s−11.97\times10^{8}\,\text{m s}^{-1} (d) 4.56×108 m s−14.56\times10^{8}\,\text{m s}^{-1}

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