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दाखिल करना

Physics for IGCSE & O level - Rays And Waves (Section 11 - No. 46)

What formula is used to calculate the refractive index of a material?
speed of light / speed of light in the medium
speed of light * speed of light in the medium
speed of light + speed of light in the medium
speed of light - speed of light in the medium

स्पष्टीकरण

The refractive index is calculated by dividing the speed of light in a vacuum by the speed of light in the medium.

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