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प्रश्न
What is the refractive index of vacuum
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उत्तर
Unity
संबंधित प्रश्न
What is a spectrum?
Write a short note on dispersion of light.
Light passes through a rectangular glass slab and through a triangular glass prism. In what way does the direction of the two emergent beams differ and why?
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How does the deviation produced by a prism depend on the wavelength of incident light?
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