Question

what is SI unit of radioactivity

Answer 1

The becquerel (symbol: Bq) is the SI derived unit of radioactivity. One becquerel is defined as the activity of a quantity of radioactive material in which one nucleus decays per second. The becquerel is therefore equivalent to an inverse second, s−1
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Answer 2

hey friend,

the SI unit of radioactivity is becquerel {bq}

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