Talk:Photomultipliers: Difference between revisions
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question... What do you mean by a photon striking with sufficient energy? A photon has a constant mass, and (light) speed, so how can the impact energy differ? [[User:Mahjongg|Mahjongg]] ([[User talk:Mahjongg|talk]]) 15:42, 28 March 2017 (CEST) | question... What do you mean by a photon striking with sufficient energy? A photon has a constant mass, and (light) speed, so how can the impact energy differ? [[User:Mahjongg|Mahjongg]] ([[User talk:Mahjongg|talk]]) 15:42, 28 March 2017 (CEST) | ||
Mahjongg: The "colour" determines the energy a photon has. (benadski) | |||