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8 KS5 Nuclear

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26 Radioactivity

This page covers the radioactivity section of the course. Take care not to mix units when calculating decay equations. For instance, you may encounter activities given in Becquerel’s and count rates stated in counts per minute; half lives are often quoted in reference works using the most relevant time unit, be it seconds or years. Resources …

27 Nuclear Energy

This page covers nuclear energy section of the course.  This unit can be tricky on the maths and attention to details. You can easily spoil your calculations by not taking care with units. The energies you meet in this chapter may be expressed as a number of J or MeV. Some people get confused between …