The radius of a carbon 612C^{12}_{6}\text{C}612C nucleus is 2.70 × 10-15 m.
What is the radius of a uranium 92238U^{238}_{92}\text{U}92238U nucleus?
9.97×10−16 m9.97 \times 10^{-16}\text{ m}9.97×10−16 m
1.20×10−14 m1.20 \times 10^{-14}\text{ m}1.20×10−14 m
7.31×10−15 m7.31 \times 10^{-15}\text{ m}7.31×10−15 m
5.36×10−14 m5.36 \times 10^{-14}\text{ m}5.36×10−14 m
128 exam-style questions on AQA A Level Physics Radioactivity (A-level only), covering Rutherford scattering (A-level only), $\alpha$ , $\beta$ and $\gamma$ radiation (A-level only), Radioactive decay (A-level only), Nuclear instability (A-level only), Nuclear radius (A-level only), Mass and energy (A-level only), Induced fission (A-level only), and Safety aspects (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.