Henri Becquerel
Numéro d’image : 11827332
| Henri Becquerel. Portrait of the French physicist Antoine Henri Becquerel (1852-1908),discoverer of radioactivity,seen in his laboratory. Educated at the Ecole Polytechnique in Paris,he became professor of physics in 1895. In 1896 Becquerel discovered the phenomenon of radioactivity by showing that a uranium salt was able to blacken a wrapped photographic plate. In 1899 he noted that the radiation coming from the uranium salt could be deflected by a magnetic field. This allowed Becquerel to conclude that this radiation was partly composed of electrons discovered a few years before by J. J. Thomson. In 1903 Becquerel shared the Nobel Prize in physics with the Curies | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Charmet, Jean-Loup |
| Taille de l’image : | 3477 px × 4938 px |
| Model Release : | Le droit n'est pas encore disponible. Merci de nous contacter avant utilisation. |
| Property Release : | Non requis |
| Restrictions : | - |
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