The refractive index of glass is 1.5. Fi...

The refractive index of glass is 1.5. Find the speed of light in glass.

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We have
`mu=(speed of light in vacuum)/(speed of light in the material)`
Thus, speed of light in glass
`=(sped of light in vacuum)/mu`
`=(3.0xx10^8ms^-10/1.5=2.0xx10^8ms^-1`.

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