Q. What is the SI unit of radioactive activity?

  • (A) Curie
  • (B) Becquerel
  • (C) Rutherford
  • (D) Sievert
✅ Correct Answer: (B) Becquerel
Explanation: The becquerel (Bq) is the SI unit of activity, equal to one disintegration per second.

Published by Tina Singh ⭐ 14.18K Points at 11-Oct-2025 08:52 am in Physics

Explanation by: Tina Singh
The becquerel (Bq) is the SI unit of activity, equal to one disintegration per second.

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