Cathode Ray
Numéro d’image : 12010112
| Cathode rays (also called an electron beam or e-beam) are streams of electrons observed in vacuum tubes,i.e. evacuated glass tubes that are equipped with at least two metal electrodes to which a voltage is applied,a cathode or negative electrode and an anode or positive electrode. Although cathode rays themselves are invisible,they cause a phosphorescent screen to glow when they strike it - making it possible for us to see their path. Cathode rays are deflected by a magnet,indicating that they are electrically charged | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Winters, Charles D. |
| Taille de l’image : | 5120 px × 3401 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : |
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