Physics 7408: Nuclear Physics Topical Past Paper Questions
AQA A Level Physics (7408) past-paper questions on Nuclear Physics, free. This topic is frequently examined across 8 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
Explain what is meant by this statement. [2 marks] In a PET scan, fluorine-18 is used as a tracer and is injected into the person being scanned. The physical half-life of fluorine-18 is 110 minutes. Calculate the percentage of fluorine-18 that remains in the person 4.0 hours afte…
The graph shows the variation of activity with time for a sample of a nuclide X. What was the initial number of nuclei of X in the sample? A $ 4.67 \times 10^{5} $ B $ 3.0 \times 10^{8} $ C $ 4.2 \times 10^{8} $ D $ 6.1 \times 10^{8} $ [1 mark]
In a thermal reactor, induced fission occurs when a $ \frac{235}{92} $ $ \ce{U^{nucleus}\ captures} $ a neutron. Which statement is true? [1 mark] A The moderator absorbs excess neutrons. B A large number of neutrons should be produced per fission to sustain the reaction. C Slow…
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