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Can the refractive index of a medium relative to another medium be less than 1? - Physics (Theory)

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प्रश्न

Can the refractive index of a medium relative to another medium be less than 1?

अति संक्षिप्त उत्तर
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उत्तर

Yes, the refractive index of a medium relative to another medium can be less than 1. For example, the refractive index of water relative to glass is `(4//3)/(3//2) = 8/9`, which is less than 1.

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अध्याय 15: Refraction of Light at a Plane Interface : Total Internal Reflection : Optical Fibre - QUESTIONS [पृष्ठ ७७८]

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नूतन Physics Part 1 and 2 [English] Class 12 ISC
अध्याय 15 Refraction of Light at a Plane Interface : Total Internal Reflection : Optical Fibre
QUESTIONS | Q 5. | पृष्ठ ७७८
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