Multiple choice

What is the current unit used to measure radioactive decay?

  1. Curie

  2. Becquerel

  3. Rad

  4. Seavert

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The becquerel (Bq) is the SI unit for radioactive decay, measuring one nuclear transformation per second. It replaced the older curie unit in the SI system.