Becquerel: the SI unit of radioactivity Becquerel The becquerel (Bq) is the SI derived unit of radioactivity, defined as one nuclear decay per second. This article explains its meaning, relation to decay laws, multiples, uses, mea…
Beta particle (β): electrons and positrons emitted in radioactive decay Beta particle Beta particles are high-speed electrons or positrons produced by nuclear beta decay. They are a type of ionizing radiation with characteristic interactions, detection methods, shie…
