normalized wave number

  • 81Orange (colour) — Orange   Spectral coordinates  Wavelength …

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  • 82Love. Angel. Music. Baby. — This article is about the Gwen Stefani album. For her backup dancers who use the same names, see Harajuku Girls. Love. Angel. Music. Baby …

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  • 83Tornado — This article is about the weather phenomenon. For other uses, see Tornado (disambiguation). For the current tornado season, see Tornadoes of 2011 …

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  • 84Sedimentary rock — Middle Triassic marginal marine sequence of siltstones (below) and limestones (above), Virgin Formation, southwestern Utah, USA Sedimentary rock are types of rock that are formed by the deposition of material at the Earth s surface and within… …

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  • 85Japan–Korea relations — Japanese–Korean relations involve three parties: Japan, North Korea, and South Korea. Japan s relations with North Korea and South Korea has a legacy of bitterness stemming from harsh Japanese colonial rule over Korea from 1910 to 1945. In the… …

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  • 86Neutrino theory of light — The neutrino theory of light is the proposal that the photon is a composite particle formed of a neutrino antineutrino pair. It is based on the idea that emission and absorption of a photon corresponds to the creation and annihilation of a… …

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  • 87Naval weaponry of the People's Liberation Army Navy — The People s Liberation Army Navy (PLAN) is the naval branch of the People s Liberation Army (PLA), the armed forces of the People s Republic of China. The PLAN force consists of approx. 250,000 men and over a hundred major combat vessels,… …

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  • 88Soliton (optics) — In optics, the term soliton is used to refer to any optical field that does not change during propagation because of a delicate balance between nonlinear and linear effects in the medium. There are two main kinds of solitons: spatial solitons:… …

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  • 89Particle in a ring — In quantum mechanics, the case of a particle in a one dimensional ring is similar to the particle in a box. The Schrödinger equation for a free particle which is restricted to a ring (technically, whose configuration space is the circle S^1) is …

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  • 90Free particle — In physics, a free particle is a particle that, in some sense, is not bound. In classical physics, this means the particle is present in a field free space. Classical Free Particle The classical free particle is characterized simply by a fixed… …

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