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प्रश्न
The absolute refractive index of a medium is given by:
पर्याय
\[n = c - v\]
\[n = \frac{v}{c}\]
\[n = \frac{c}{v}\]
\[n = c \times v\]
MCQ
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उत्तर
The absolute refractive index is \[n = \frac{c}{v}\], where c is the speed of light in vacuum and v is the speed of light in the given medium.
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