Biography:James Franck: Difference between revisions
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{{Short description|Physicist associated with the Franck-Hertz experiment}} | |||
{{Infobox scientist | {{Infobox scientist | ||
| name = James Franck | |||
| image = Biography_James_Franck.jpg | | image = Biography_James_Franck.jpg | ||
| caption = | | caption = Franck | ||
| | | birth_date = 26 August 1882 | ||
| | | birth_place = Hamburg, Germany | ||
| death_date = 1964 | | death_date = 21 May 1964 | ||
| death_place = Göttingen, West Germany | |||
| fields = Physics | | fields = Physics | ||
| work_institutions = University of Göttingen; University of Chicago | | work_institutions = University of Göttingen; University of Chicago | ||
| known_for = Franck-Hertz experiment; quantized atomic excitation | | known_for = Franck-Hertz experiment; quantized atomic excitation | ||
| awards = Nobel Prize in Physics (1925) | |||
}} | }} | ||
'''James Franck''' (1882-1964) was a German physicist known for the Franck-Hertz experiment, which gave experimental evidence for discrete atomic energy levels. | '''James Franck''' (1882-1964) was a German physicist known for the Franck-Hertz experiment, which gave experimental evidence for discrete atomic energy levels. | ||
== Franck-Hertz experiment == | |||
The Franck-Hertz experiment showed that atoms absorb energy in discrete amounts. Electrons passing through mercury vapor lost energy in steps corresponding to atomic excitation energies, supporting the quantum theory of atomic structure. | |||
== | Franck shared the 1925 Nobel Prize in Physics with [[Biography:Gustav Hertz|Gustav Hertz]]. | ||
== Quantum Collection links == | |||
* [[Physics:Quantum atoms/transition]] | * [[Physics:Quantum atoms/transition]] | ||
* [[Physics:Quantum atoms/energy level]] | * [[Physics:Quantum atoms/energy level]] | ||
* [[Physics:Quantum Atomic structure and spectroscopy]] | |||
== References == | |||
{{reflist|3}} | |||
* {{Cite web |title=James Franck - Biographical |url=https://www.nobelprize.org/prizes/physics/1925/franck/biographical/ |publisher=Nobel Prize Outreach |access-date=2026-05-23}} | |||
* {{Cite web |title=Franck-Hertz experiment |url=https://www.britannica.com/science/Franck-Hertz-experiment |website=Encyclopaedia Britannica |access-date=2026-05-23}} | |||
{{Author|Harold Foppele}} | {{Author|Harold Foppele}} | ||
Latest revision as of 08:33, 23 May 2026
| James Franck | |
|---|---|
| |
| Franck | |
| Born | 26 August 1882 Hamburg, Germany |
| Died | 21 May 1964 Göttingen, West Germany
|
| Known for | Franck-Hertz experiment; quantized atomic excitation |
| Awards | Nobel Prize in Physics (1925) |
James Franck (1882-1964) was a German physicist known for the Franck-Hertz experiment, which gave experimental evidence for discrete atomic energy levels.
Franck-Hertz experiment
The Franck-Hertz experiment showed that atoms absorb energy in discrete amounts. Electrons passing through mercury vapor lost energy in steps corresponding to atomic excitation energies, supporting the quantum theory of atomic structure.
Franck shared the 1925 Nobel Prize in Physics with Gustav Hertz.
Quantum Collection links
- Physics:Quantum atoms/transition
- Physics:Quantum atoms/energy level
- Physics:Quantum Atomic structure and spectroscopy
References
- "James Franck - Biographical". Nobel Prize Outreach. https://www.nobelprize.org/prizes/physics/1925/franck/biographical/.
- "Franck-Hertz experiment". https://www.britannica.com/science/Franck-Hertz-experiment.
Author: Harold Foppele