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Velocity of light in a medium is 1.5xx10...

Velocity of light in a medium is `1.5xx10^(8) m//s`. Its refractive index will be

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The correct Answer is:
The absolute refractive index of the medium is 2.
Given : Speed of light in medium `(v_(2))=1.5xx10^(8) m//s`, velocity of light in vacuum `(v_(1))=3xx10^(8) m//s`
To find : Absolute refractive index (n)
Formula : `n=(v_(1))/(v_(2))`
Calculation : From formula, `n=(3xx0^(8))/(1.5xx10^(8))=2`
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