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Dispersion of White Light by a Prism
A beam of white light, as from the sun, strikes a prism made of flint glass. Flint glass has a high refractive index and a high dispersion (spread). Shorter wavelengths (blue) are refracted more than the longer wavelengths (red), causing the beam to split into a rainbow or spectrum. This simulation uses real refractive indices to calculate the refraction of each colour. Most graphics of this subject increase the dispersion for clarity. This still graphic was distilled from the matching animation that shows the coloured beams in sequence.
Illustration ID: PRISM_Dispersion_8K
Illustration size: 33.2 Mpixels (94.9 MB uncompressed) - 7680x4320 pixels (25.6x14.4 in / 65x36.6 cm at 300 ppi)
Illustration keywords: dispersion, light, optics, prism, rainbow, refraction, refractive index, spectral, spectrum, white light
Published in: Optics
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Rainbow Prism1970-01-01T00:00:00+00:00Parallel beams of light strike a prism whose width varies with time. Red, orange, yellow, green, blue, indigo, and violet (ROYGBIV) rays are refracted by slightly different amounts. This is called dispersion, and becomes more obvious when the prism is ...PT38Shttps://d38zjy0x98992m.cloudfront.net/6d0c1f4a-a245-4bb0-ace2-10a9656cc79f/Rainbow_Prism_265_38s_xlarge.jpghttps://d38zjy0x98992m.cloudfront.net/6d0c1f4a-a245-4bb0-ace2-10a9656cc79f/Rainbow_Prism_265_38s_mp4_hd_video.mp4https://www.scientific.pictures/media/6d0c1f4a-a245-4bb0-ace2-10a9656cc79f/pricehttps://www.scientific.pictures/media/6d0c1f4a-a245-4bb0-ace2-10a9656cc79f/price