The radius of a nucleus of the carbon nuclide 612C^{12}_{6}\text{C}612C is approximately 2.75×10−15 m2.75 \times 10^{-15} \text{ m}2.75×10−15 m. What is the approximate radius of a nucleus of the lead nuclide 82208Pb^{208}_{82}\text{Pb}82208Pb?
1.06×10−15 m1.06 \times 10^{-15} \text{ m}1.06×10−15 m
7.12×10−15 m7.12 \times 10^{-15} \text{ m}7.12×10−15 m
11.4×10−15 m11.4 \times 10^{-15} \text{ m}11.4×10−15 m
47.7×10−15 m47.7 \times 10^{-15} \text{ m}47.7×10−15 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.