Lenard ray

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• 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

• Lenard tube — Electronics. an early cathode ray tube having at the end opposite the cathode a window of thin glass or metal allowing cathode rays (Lenard rays) to pass out into the atmosphere. [named after P. LENARD] * * * Lenard tube, a special form of vacuum …   Useful english dictionary

• Lenard tube — Electronics. an early cathode ray tube having at the end opposite the cathode a window of thin glass or metal allowing cathode rays (Lenard rays) to pass out into the atmosphere. [named after P. LENARD] * * * …   Universalium

• 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

• 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

• Fülöp Lénárd — Philipp Eduard Anton (von) Lenard (* 7. Juni 1862 in Pressburg; † 20. Mai 1947 in Messelhausen) war ein deutscher Physiker. Ihm sind herausragende Arbeiten zur modernen Festkörper und Atomphysik zu verdanken, wofür er 1905 den Nobelpreis für… …   Deutsch Wikipedia

• Philipp Eduard Anton Lenard — Philipp Eduard Anton (von) Lenard (* 7. Juni 1862 in Pressburg; † 20. Mai 1947 in Messelhausen) war ein deutscher Physiker. Ihm sind herausragende Arbeiten zur modernen Festkörper und Atomphysik zu verdanken, wofür er 1905 den Nobelpreis für… …   Deutsch Wikipedia

• Philipp Lenard — (um 1905) Philipp Eduard Anton (von) Lenard (* 7. Juni 1862 in Pressburg; † 20. Mai 1947 in Messelhausen) war ein deutscher Physiker. Ihm sind herausragende Arbeiten zur modernen Festkörper und Atomphysik zu verdanken, wofür er 1905 den… …   Deutsch Wikipedia

• Cathode ray — Cathode rays (also called an electron beam or e beam) are streams of electrons observed in vacuum tubes, i.e. evacuated glass tubes that are equipped with at least two electrodes, a cathode (negative electrode) and an anode (positive electrode)… …   Wikipedia

• Crookes tube — A Crookes tube. The electrons travel in straight lines from the cathode on the left, shown by the shadow cast by the cross on the fluorescence on the righthand wall. The anode is at the bottom. A Crookes tube is an early experimental electrical… …   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