Find the Speed of the light in medium — task. Science State Board, Class 8.

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Speed of light in air is

3 \times 10^{8}

m s^{- 1}

and the refractive index of a medium is 2.17.

Find the speed of light in the medium.

Answer:

\times 10^{8}

m s^{- 1}

(Enter your answer with 2 decimal digits)

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17. Find the Speed of the light in medium