planck : Idioms & Phrases
max karl ernst ludwig planck
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noun German physicist whose explanation of blackbody radiation in the context of quantized energy emissions initiated quantum theory (1858-1947)
Max Karl Ernst Ludwig Planck; Planck.
WordNet
max planck
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noun German physicist whose explanation of blackbody radiation in the context of quantized energy emissions initiated quantum theory (1858-1947)
Max Karl Ernst Ludwig Planck; Planck.
WordNet
planck's constant
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noun the constant of proportionality relating the energy of a photon to its frequency; approximately 6.626 x 10^-34 joule-second
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WordNet
planck's law
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noun (physics) the basis of quantum theory; the energy of electromagnetic waves is contained in indivisible quanta that have to be radiated or absorbed as a whole; the magnitude is proportional to frequency where the constant of proportionality is given by Planck's constant
WordNet
planck's radiation law
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noun (physics) an equation that expresses the distribution of energy in the radiated spectrum of an ideal black body