Physics 9-1 4PH1: Radioactivity and Particles Topical Past Paper Questions
Edexcel IGCSE (9-1) Physics 9-1 (4PH1) past-paper questions on Radioactivity and Particles, free. This topic is frequently examined across 13 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
The photograph shows a nuclear power station. (Source: © Julius Fekete/Shutterstock) A chain reaction releases energy inside the power station. (a) Explain how the fission of U-235 can set up a chain reaction. (3) (b) Explain how nuclear fusion is different from radioactive decay…
A teacher investigates a sample of radioactive material. The graph shows their results. (a) On the graph, give the unit for activity. (1) (b) Describe what is meant by the term background radiation. (2) (2) (c) (i) Describe what is meant by the term half-life. (2) (ii) Use the gr…
The diagram shows some of the components of a nuclear fission reactor. (a) Describe how a chain reaction occurs in a nuclear fission reactor. (3) (b) Describe the role of the control rods in a nuclear fission reactor. (2) (c) Describe how the process of nuclear fission is differe…
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