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Q10.3 (a) The refractive index of glass is 1.5. What is the speed of light in glass? (Speed of light in a vacuum is )
Answers (1)
Given,
Refractive index of the glass = 1.5
Speed of light in vacuum
Now,
As we know,
Refractive index of a medium
where
is the speed of light in that medium.
so from here,
Hence the speed of light in water is
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