Lenard
Speech parts
1. Lenard - Noun
2. Lenard - Proper noun
Meaning
German physicist who studied cathode rays (1862-1947)
Source: WordNetSynonyms
Phrases with the word
Anagrams
Examples
Astrophysics and the Pauli principle Dyson and Lenard did not consider the extreme magnetic or gravitational forces which occur in some astronomical objects.
He built a Crookes tube (later called a "Lenard tube") with a "window" in the end made of thin aluminum, facing the cathode so the cathode rays would strike it.
Philipp Lenard also contributed a great deal to cathode ray theory, winning the Nobel prize for physics in 1905 for his research on cathode rays and their properties.
David Hammerman, Lisa Lenard, The Complete Idiot's Guide to Reincarnation, Penguin, p.34.
In 1902 Philipp Lenard discovered that the energy of these ejected electrons did not depend on the intensity of the incoming light, but instead on its frequency.
It has been suggested that at least some of these "Lenard rays" were actually X-rays. citation Hermann von Helmholtz formulated mathematical equations for X-rays.