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Practice quizzes / UK ADR Class 7 Radioactive Practice Questions - UK ADR Dangerous Goods Driver Class 7 Radioactive Exam (Qualifications Scotland DfT) Exam / Question 190653
Practice question

What is the SI unit used to measure radioactive decay activity (disintegrations per second)?

  1. Sievert (Sv)
  2. Gray (Gy)
  3. Becquerel (Bq)
  4. Watt (W)

Answer: C — Becquerel (Bq)

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