photon

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Definition/MeaningWord/Phrase
photon from a radioactive substance gamma ray
constant of proportionality relating the energy of a photon to its frequency; approximately 6.626 x 10^-34 joule-second h , Planck's constant
Japanese mathematical physicist who proposed that nuclear forces are mediated by massive particles called mesons which are analogous to the photon in mediating electromagnetic forces (1907-1981) Hideki Yukawa , Yukawa
transformation of a gamma-ray photon into an electron and a positron when the photon passes close to an atomic nucleus pair creation , pair formation , pair production
electron that is emitted from an atom or molecule by an incident photon photoelectron
(physics) a flash of light that is produced in a phosphor when it absorbs a photon or ionizing particle scintillation
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