Exam-style question
Try this first
Explain how activity supports this AQA A-Level Physics objective: calculate half-life and remaining activity.
Model answer
What a good answer should say
- A strong answer should state the relevant physics principle, identify any quantity, unit, graph feature or evidence involved, and link the conclusion back to Radioactive decay.
Explanation
Why this works
This checks whether the student can convert the approved objective into a focused written answer without drifting into a neighbouring A-Level Physics concept.
Common mistake
No common mistake is linked to this question yet.