the the refractive index of carbon disulphide is 1.63. what is meaning of this statement in relation of speed of light?
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Refractive index of a medium =c/ speed of light in that medium , where c=speed of light in air
so R.I=c/v
v=c/R.I=3×10^8/1.63 = 1.84 × 10^8 m/s
Refractive index of a medium describes how fast or slow a light travels through the medium or material.
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