4) a) What is the speed of light, in meters per second, in water? b) What is the speed of light, in meters per second, in glycerine? For convenience, the index of refraction for a variety of materials is provided below.Materials at 20°C for light with a vacuum wavelength of 589 nm.nMaterialnMaterialdiamondplexiglasfluoritequartz (crystalline)quartz (fused)sodium chloridezirconairMaterialbenzene1.501carbon disulfide1.628carbon tetrachloride 1.461ethanol1.361glycerine1.473water (fresh)1.333glass (crown)glass (flint)ice (0°C)polystyrene2.4191.4341.521.661.3091.49n1.511.5441.4581.5441.9231.00029

Speed of light in vacuum is c= 3×108 m/s . In any medium the speed of light having refrecting index…

Answered: 4) a) What is the speed of light, in…

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