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Can the absolute refractive index of a medium be less than one? - Physics

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प्रश्न

Can the absolute refractive index of a medium be less than one?

Can the value of the absolute refractive index be lesser than 1?

अति संक्षिप्त उत्तर
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उत्तर

No, the absolute refractive index of a medium cannot be less than one because the speed of light in any medium is always less than that in a vacuum.

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अध्याय 3: Refraction of Light - Short Answers

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