553229
Descrição
FlashCards por alex.examtime9373, atualizado more than 1 year ago
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Criado por alex.examtime9373
quase 11 anos atrás
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| Questão | Responda |
| Radioactive Decay | When radiation is emitted from a nucleus, the nucleus undergoes decay |
| Alpha emission | Emission of a helium nucleus from a large atom |
| Beta emission | The emission of an electron when a neutron decays into a proton |
| Gamma emission | The emission of high energy photons from an unstable nucleus |
| Activity of a radioactive sorce | Number of nuclei decaying per second |
| Half-life | Time taken for half of the nuclei of a source to decay |
| Law of radioactive decay | The activity of a radioactive source is proportional to the number of undecayed nuclei present |
| Formula of radioactive decay | A = λ N |
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