Question 1
Question detail
What is the unit of measurement for activity in radioactive decay?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Atoms and nuclear radiation
Question
- A. Joules
- B. Becquerels
- C. Grays
- D. Sieverts
Answer
Becquerels
Explanation
Activity is measured in becquerels (Bq), which represents one decay per second.
Common mistake
Understanding Randomness in Radioactive Decay
Students often believe that radioactive decay can be predicted for individual nuclei, thinking it follows a specific pattern.
Emphasize that radioactive decay is a random process, meaning it is impossible to predict when a specific unstable nucleus will decay.
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