Which of the following option correctly relates refractive index and speed of light in a transparent medium?

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Solution

We know that the absolute refractive index of a medium is given as:

$μ = \frac{speed of light in vacuum}{speed of light in the medium}$

Since, the speed of light in vacuum is constant, then we can generalise that for any medium.

Refractive index $\propto \frac{1}{speed}$

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Similar questions

How does the refractive index of a transparent medium affect the speed of light passing through it?

Find the speed of light in a transparent medium if the refractive index of the medium is $1.8$ ?

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1.8 \times 10^{3} m / s

\times

^{8}

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