Lenard effect

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• Lenard , Philipp Eduard Anton — (1862–1947) German physicist Born the son of a wine merchant in Pozsony (now Bratislava in Slovakia), Lenard studied at the universities of Budapest, Vienna, Berlin, and Heidelberg, where he obtained his doctorate. He taught at the universities… …   Scientists

• Lenard, Philipp — ▪ German physicist in full  Philipp Eduard Anton Lenard  born June 7, 1862, Pressburg, Hung. [now Bratislava, Slovakia] died May 20, 1947, Messelhausen, Ger.  German physicist and recipient of the 1905 Nobel Prize for Physics for his research on… …   Universalium

• Philipp Lenard — Infobox Scientist name = Philipp Lenard image width = 200px caption = Philipp Lenard in 1900 birth date = birth date|1862|6|7|mf=y birth place = Bratislava, Austria Hungary death date = death date and age|1947|5|20|1862|6|7 death place =… …   Wikipedia

• Photoelectric effect — The photoelectric effect is a quantum electronic phenomenon in which electrons are emitted from matter after the absorption of energy from electromagnetic radiation such as x rays or visible light.cite book | title = Physics for Scientists… …   Wikipedia

• photoelectric effect — Physics. the phenomenon in which the absorption of electromagnetic radiation, as light, of sufficiently high frequency by a surface, usually metallic, induces the emission of electrons from the surface. Also called photoemission. [1890 95] * * *… …   Universalium

• Scientific phenomena named after people — This is a list of scientific phenomena and concepts named after people (eponymous phenomena). For other lists of eponyms, see eponym. NOTOC A* Abderhalden ninhydrin reaction Emil Abderhalden * Abney effect, Abney s law of additivity William de… …   Wikipedia

• Balloelektrizität — Als Balloelektrizität oder als Lenard Effekt, umgangssprachlich auch als Wasserfall Elektrizität, bezeichnet man die scheinbare negative Aufladung der Luft beim Zerstäuben von Wassertropfen. Wie bereits Alessandro Volta feststellte,[1] sind die… …   Deutsch Wikipedia

• List of effects — This is a list of names for observable phenonema that contain the word effect, amplified by reference(s) to their respective fields of study. #*3D audio effect (audio effects)A*Accelerator effect (economics) *Accordion effect (physics) (waves)… …   Wikipedia

• Criticism of relativity theory — Criticism of Albert Einstein s theory of relativity was mainly expressed in the early years after its publication on a scientific, pseudoscientific, philosophical, or ideological basis. Reasons for criticism were, for example, alternative… …   Wikipedia

• X-ray — [ 22 December 1895 and presented to Professor Ludwig Zehnder of the Physik Institut, University of Freiburg, on 1 January 1896. The dark oval on the third finger is a shadow produced by her ring. [cite book last = Kevles first =Bettyann Holtzmann …   Wikipedia

• electromagnetic radiation — Physics. radiation consisting of electromagnetic waves, including radio waves, infrared, visible light, ultraviolet, x rays, and gamma rays. [1950 55] * * * Energy propagated through free space or through a material medium in the form of… …   Universalium