Radioactivity and Nuclear Energy

Physics (Science Paper 1) · Chapter 12 · 6. Modern Physics

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Your path through this chapter

1
Visual lesson Beta
1. Part 1: The nucleus and radioactive decay13 slides
2. Part 2: Uses, hazards and nuclear energy13 slides
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Notes Beta
5 sections with key terms, formulas and exam tips.
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Flashcards Beta
30 cards for quick recall of key terms and facts.
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Practice
65 board-style questions with instant checks: Multiple choice 21, Short answer 13, Numerical 7, Assertion and reason 6.
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Chapter test Free
Short and long chapter tests in board pattern, with results and analysis.
- Chapter test (long) — Radioactivity and Nuclear Energy · 40 marks · 60 min
- Chapter test (short) — Radioactivity and Nuclear Energy · 20 marks · 30 min
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Structure of the nucleus; atomic number Z and mass number A; isotopes
Radioactivity as spontaneous disintegration; nature and properties of alpha, beta and gamma radiations
Changes in the nucleus during alpha and beta decay
Uses of radioisotopes; harmful effects; background radiation; safety precautions; X-rays and radioactive fallout
Nuclear fission and fusion: basic introduction and equations; safe disposal of nuclear waste