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
Outline of scientific method — The following outline is provided as an overview of and topical guide to scientific method: Scientific method – body of techniques for investigating phenomena and acquiring new knowledge, as well as for correcting and integrating previous… … Wikipedia
List of scientific method topics — Scientific method is a body of techniques for investigating phenomena and acquiring new knowledge, as well as for correcting and integrating previous knowledge. It is based on observable, empirical, measurable evidence, and subject to laws of… … Wikipedia
Constant voltage method — is a type of MPPT algorithm.[1] This method makes use of the fact that the ratio of maximum power point voltage and the open circuit voltage is 0.76.[2] It is the simplest MPPT control method.[3] Algorithm The operating point of the PV array is… … Wikipedia
Colorimetry (chemical method) — This article is about a chemical measurement method. For more general color measurement, see Colorimetry. Not to be confused with Calorimetry. A Duboscq colorimeter, 1870, which allowed visual comparison of the absorptions in two columns of… … Wikipedia
Xeromammography — Xeromammography, or Xeroradiography, is a photoelectric method of recording an x ray image on a coated metal plate, using low energy photon beams, long exposure time, and dry chemical developers. This process was developed in the late 1960s by… … Wikipedia
Xeromammography — Xeroradiography of the breast. Xeroradiography is a photoelectric method of recording an x ray image on a coated metal plate, using low energy photon beams, long exposure time and dry chemical developers. The prefix xero comes from the Greek… … Medical dictionary
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
printing — /prin ting/, n. 1. the art, process, or business of producing books, newspapers, etc., by impression from movable types, plates, etc. 2. the act of a person or thing that prints. 3. words, symbols, etc., in printed form. 4. printed material. 5.… … Universalium
radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… … Universalium
Video camera tube — In older video cameras, before the mid to late 1980s, a video camera tube or pickup tube was used instead of a charge coupled device (CCD) for converting an optical image into an electrical signal. Several types were in use from the 1930s to the… … Wikipedia