11046934-n
|
| Heinrich Rudolf Hertz, Heinrich Rudolph Hertz, Hertz, Heinrich Hertz |
| Hertz, Heinrich Hertz, Heinrich Rudolph Hertz |
| |
German physicist who was the first to produce electromagnetic waves artificially (1857-1894) |
15279104-n
(4)
|
| hertz |
| cps, cycle, hertz, Hz, cycle per second, cycles/second |
| |
the unit of frequency; one hertz has a periodic interval of one second |
11046722-n
|
| Gustav Ludwig Hertz, Gustav Hertz, Hertz |
| Hertz, Gustav Hertz, Gustav Ludwig Hertz |
| |
German physicist who with James Franck proved the existence of the stationary energy states postulated by Bohr (1887-1975) |