- Planck's theory
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Medical dictionary. 2011.
Planck's theory
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Planck constant theory — (plahngk) [Max Karl Ernst Ludwig Planck, German physicist, 1858–1947] see under constant, and see quantum theory, under theory … Medical dictionary
Planck units — are units of measurement named after the German physicist Max Planck, who first proposed them in 1899. They are an example of natural units, i.e. units of measurement designed so that certain fundamental physical constants are normalized to 1. In … Wikipedia
Planck constant — Planck s relation redirects here. For the law governing black body radiation, see Planck s law. Values of h Units 6.62606957(29)×10−34 J·s[1] 4.135 … Wikipedia
Planck's constant — plaŋ(k)s , pläŋ(k)s n a constant that gives the unvarying ratio of the energy of a quantum of radiation to its frequency and that has an approximate value of 6.626 × 10 34 joule second symbol h Planck pläŋk Max Karl Ernst Ludwig (1858 1947)… … Medical dictionary
Planck momentum — is the unit of momentum, denoted by m P c, in the system of natural units known as Planck units.m P c = frac{hbar}{l P} = sqrt{frac{hbar c^3}{G approx 6.52485 kg m/swhere*{l P} is the Planck length *hbar is the reduced Planck s constant *c is the … Wikipedia
Planck,Max Karl Ernst Ludwig — Planck (plängk), Max Karl Ernst Ludwig. 1858 1947. German physicist. He won a 1918 Nobel Prize for discoveries in connection with quantum theory. * * * … Universalium
Planck — Planck, Max (1858 1947) a German scientist who developed the ideas on which ↑quantum theory is based … Dictionary of contemporary English
Planck, Max — ▪ German physicist Introduction in full Max Karl Ernst Ludwig Planck born April 23, 1858, Kiel, Schleswig [Germany] died Oct. 4, 1947, Göttingen, W.Ger. theoretical physicist who originated quantum theory, which won him the Nobel Prize for… … Universalium
Planck scale — In particle physics and physical cosmology, the Planck scale is an energy scale around 1.22 × 1028 eV (which corresponds by the mass–energy equivalence to the Planck mass 2.17645 × 10−8 kg) at which quantum effects of gravity become strong. At… … Wikipedia
Planck length — unit of length name=Planck length m=0.00000000000000000000000000000000001616252 accuracy=5 The Planck length, denoted by scriptstyleell P , is the unit of length approximately 1.6 times; 10−35 meters, 6.3 times; 10−34 inches, or about 10−20 times … Wikipedia
