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وارد شوید

Physics for IGCSE & O level - Rays And Waves (Section 11 - No. 36)

What is the definition of refractive index?
The speed of light in a vacuum
The speed of light in a medium
The ratio of the speed of light in vacuum to the speed of light in the medium
The ratio of the speed of light in the medium to the speed of light in vacuum

توضیح

Refractive index is the ratio of the speed of light in a vacuum to the speed of light in the medium.

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