the refractive index of glass is _
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Some typical refractive indices for yellow light (wavelength equal to 589 nanometres [10−9 metre]) are the following: air, 1.0003; water, 1.333; crown glass, 1.517; dense flint glass, 1.655; and diamond, 2.417.
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The index of refraction of glass varies with its composition and with the wavelength of the light incident on the glass. Ordinary crown glass, when illuminated by white light, has a refractive index of 1.52; medium flint glass has an index of 1.63, acrylic is 1.49.
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