In a deuterium–tritium fusion reaction, a single fusion event releases 17.6 MeV17.6\text{ MeV}17.6 MeV of energy.
What is the decrease in the total rest mass of the system as a result of a single fusion event?
3.1×10−35 kg3.1 \times 10^{-35}\text{ kg}3.1×10−35 kg
3.1×10−29 kg3.1 \times 10^{-29}\text{ kg}3.1×10−29 kg
2.0×10−16 kg2.0 \times 10^{-16}\text{ kg}2.0×10−16 kg
9.4×10−21 kg9.4 \times 10^{-21}\text{ kg}9.4×10−21 kg
90 exam-style questions on OCR A A Level Physics Nuclear and particle physics, covering The nuclear atom, Fundamental particles, Radioactivity, and Nuclear fission and fusion. Each one has a worked solution and a mark scheme showing where the marks go.