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Topic plan · A-Level Physics 9702 · Topic 23

Nuclear physics

Mass defect, binding energy per nucleon, and Einstein's E = mc². The exponential law of radioactive decay and its mathematical solution.

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Unit at a glance

2 lessons, 90 minutes of teaching

Lessons
2, each planned for 45 minutes
Worksheets
2 with answer keys
Quiz questions
0 multiple-choice, assignable in the app
Lab
Nuclear physics
Scheme of work

The lessons in order

RefLesson packStructureWorksheetQuizLab tab
23.1Mass defect and binding energy
A nucleus weighs less than the protons and neutrons that make it.		Corners6 Q, 48 marks (topic)4 checkstab 1
23.2Radioactive decay
You can never say which nucleus will decay next, only the chance per second.		Frayer Model5 Q, 43 marks (topic)4 checkstab 3

Each pack holds the plan, worksheet and quiz for its lesson. Teach the rows in order; the lab tabs match the student lessons.

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Topic resources

Topic labFull-screen simulation Revision notesOne page per lesson Notes PDFPrintable topic notes Concept mapThe topic on one sheet Student syllabus pageNuclear physics Practical trainerGraph trainer Practical trainerResults tables Practical trainerUncertainties and evaluation Practical trainerPlanning an experiment Practical trainerQuestion 1 set-up builders Practical trainerLog graphs and error bars