Roentgen (unit) - Wikipedia
The roentgen or röntgen (/ ˈrɛntɡən, - dʒən, ˈrʌnt -/; [2] symbol R) is a legacy unit of measurement for the exposure of X-rays and gamma rays, and is defined as the electric charge freed by such radiation in a specified volume of air divided by the mass of that air (statcoulomb per kilogram).
Wilhelm Röntgen - Wikipedia
Wilhelm Conrad Röntgen (/ ˈrɛntɡən, - dʒən, ˈrʌnt -/; [4] German: [ˈvɪlhɛlm ˈʁœntɡən] ⓘ; 27 March 1845 – 10 February 1923) was a German physicist, [5] who, on 8 November 1895, produced and detected electromagnetic radiation in a wavelength range known as X-rays or Röntgen rays, an achievement that earned him the inaugural Nobel Prize in Physics ...
Wilhelm Conrad Roentgen | Biography, Discovery, X-Rays, & Facts ...
Sep 24, 2024 · Wilhelm Conrad Röntgen (born March 27, 1845, Lennep, Prussia [now Remscheid, Germany]—died February 10, 1923, Munich, Germany) was a physicist who received the first Nobel Prize for Physics, in 1901, for his discovery of X-rays, which heralded the age of modern physics and revolutionized diagnostic medicine.
Wilhelm Conrad Röntgen – Biographical - NobelPrize.org
Wilhelm Conrad Röntgen was born on March 27, 1845, at Lennep in the Lower Rhine Province of Germany, as the only child of a merchant in, and manufacturer of, cloth. His mother was Charlotte Constanze Frowein of Amsterdam, a member of an old …
Roentgen | X-ray, Imaging, Diagnosis | Britannica
Roentgen, unit of X-radiation or gamma radiation, the amount that will produce, under normal conditions of pressure, temperature, and humidity, in 1 kg (2.2 lbs) of air, an amount of positive or negative ionization equal to 2.58 × 10−4 coulomb. It is …
Discovery of X-Rays - World History Encyclopedia
Jul 19, 2024 · Wilhelm Conrad Röntgen (1845-1923), a German scientist, discovered X-rays or Röntgen rays in November 1895. He was awarded the first Nobel Prize for Physics for this discovery in 1901. The thrill of the discovery became caught up in the late Victorian obsession with ghosts and photography.
Roentgen (unit) | Radiology Reference Article - Radiopaedia.org
Jun 17, 2021 · The roentgen (symbol R) or röntgen (in German) is a legacy unit to measure radiation exposure. It was defined as the quantity of x-rays that produce 2.580 × 10-4 coulombs of charge collected per unit mass (kilograms) of air at standard temperature and pressure (STP): 1 R = 0.000258 coulombs per kilogram (Ckg-1) of air. Terminology
Wilhelm Conrad Röntgen – Facts - NobelPrize.org
Wilhelm Röntgen was born in Lennep, Germany, but grew up in Holland. Röntgen earned his undergraduate degree at the ETH Zurich university and received his doctorate in physics from the University of Zurich.
Physics History November 2001 - American Physical Society
Few scientific breakthroughs have had as immediate an impact as Wilhelm Conrad Roentgen's discovery of X-rays, a momentous event that instantly revolutionized the fields of physics and medicine.
Wilhelm Conrad Röntgen: The scientist and his discovery
Nov 1, 2020 · Röntgen’s self-critical and ingenious character was decisive for his discovery. Röntgen’s discovery of a new type of radiation is the epochal event in a series of highlights of physics emerging within only a few decades of the late 19th century.