What is the meaning of Becquerel?

In the International System of Units, the derived unit of radioactive activity; the activity of a quantity of radioactive material in which one nucleus decays per second. Symbol: Bq

becquerel

becquerel (derived unit of radioactive activity)

becquerel (derived unit of radioactive activity)

becquerel

becquerel

becquerel (the derived unit of radioactive activity; the activity of a quantity of radioactive material in which one nucleus decays per second). Symbol: Bq

becquerel

Source: wiktionary.org