alpha_wolf
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Does anybody here know the refraction index of paper? I couldn't find any info on this... Any kind will do.
First, that's not quite correct. A standard sheet of white paper, such as the type used in printers, does in fact transmit visible light, and probably other parts of the spectrum as well. Sure, the light is scattered, but nevertheless it is transmitted. Even if the light is being transmitted through the gaps between the fibers, and the fibers are opaque, even the most opaque materials transmit light for a short distance. Further, what's opaque in one wavelength is not necessarily opaue in another.Claude Bile said:One, white paper does not transmit light in any part of the optical spectrum, so measuring such a refractive index would be rather difficult.
Ok, but like I said, any kind would do. I only need an estimate, so even if the value is even remotely accurate only for that particlar kind of paper, it will be enough.Two, the composition of the paper, would have a large influence on what the refractive index would be. Even if you managed to find a value, it would only be valid for a particular composition of paper.