The graph shows how the activity of a sample of Sodium-24 varies with time.
a.[3]
How much time will it take for the activity of the sample of Sodium-24 to fall to half of its initial activity?
b.[2]
What is the half-life of Sodium-24?
Atoms and nuclear radiation Questions
Practise AQA GCSE Physics Atoms and nuclear radiation with exam-style questions for Foundation and Higher tier. 21 questions covering Radioactive decay and nuclear radiation, Nuclear equations, Half-lives and the random nature of radioactive decay, and Radioactive contamination, matched to the AQA GCSE Physics (8463) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.