PH20-06 Physics Coming soon
Net decline after a number of half-lives
PH20-06
This lesson is coming soon.
In this lesson
Details to come.
For: AQA GCSE 8463, Edexcel GCSE 1PH0, OCR GCSE J249
On the specification
| Board | Spec | Statement |
|---|---|---|
| AQA GCSE 8463 | 4.4.2.3b | Half-lives and the random nature of radioactive decay |
| Edexcel GCSE 1PH0 | 6.23 | Describe how the activity of a radioactive source decreases over a period of time |
| Edexcel GCSE 1PH0 | 6.24 | Recall that the unit of activity of a radioactive isotope is the Becquerel, Bq |
| Edexcel GCSE 1PH0 | 6.25 | Explain that the half-life of a radioactive isotope is the time taken for half the undecayed nuclei to decay or the activity of a source to decay by half |
| Edexcel GCSE 1PH0 | 6.26 | Explain that it cannot be predicted when a particular nucleus will decay but half-life enables the activity of a very large number of nuclei to be predicted during the decay process |
| Edexcel GCSE 1PH0 | 6.27 | Use the concept of half-life to carry out simple calculations on the decay of a radioactive isotope, including graphical representations |
| OCR GCSE J249 | P6.1k | Calculate the net decline, expressed as a ratio, during radioactive emission after a given (integral) number of half-lives |
For teachers
This GCSE Physics lesson teaches net decline after a number of half-lives. It suits Foundation and Higher tier students.