A nucleus of uranium-234 (92234U^{234}_{92}\text{U}92234U) undergoes induced fission to produce xenon-138 (54138Xe^{138}_{54}\text{Xe}54138Xe), strontium-94 (3894Sr^{94}_{38}\text{Sr}3894Sr) and two free neutrons.
NuclideBinding energy per nucleon / MeV092234U7.6054138Xe8.3038094Sr8.5 \begin{array}{|c|c|} \hline \text{Nuclide} & \text{Binding energy per nucleon / MeV} \\ \hline ^{234}_{\phantom{0}92}\text{U} & 7.6 \\ \hline ^{138}_{\phantom{0}54}\text{Xe} & 8.3 \\ \hline ^{\phantom{0}94}_{\phantom{0}38}\text{Sr} & 8.5 \\ \hline \end{array} Nuclide092234U054138Xe038094SrBinding energy per nucleon / MeV7.68.38.5What is the energy released in this process?
72 MeV72\text{ MeV}72 MeV
166 MeV166\text{ MeV}166 MeV
175 MeV175\text{ MeV}175 MeV
1944 MeV1944\text{ MeV}1944 MeV
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.