What is the S.I. unit of radioactivity?
Correct answer: C. Becquerel
- A. Curie
- B. Rutherford
- C. Becquerel
- D. All of these
Explanation
The SI unit of radioactivity is becquerel (Bq) and this term is named after Henri Becquerel. Unit of radioactivity is defined as: The activity of a quantity of radioactive material where one decay takes place per second. 1 becquerel = 1 radioactive decay per second = 2.703×10-11 Ci.
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