An experimental nuclear fusion reactor operates continuously. Due to fusion reactions, the total mass of the fuel in the reactor core decreases at a rate of 4.8 × 10-4 kg per day. What is the rate of energy release (thermal power) of this reactor?
1.2×1010 W1.2 \times 10^{10} \text{ W}1.2×1010 W
5.0×108 W5.0 \times 10^8 \text{ W}5.0×108 W
1.8×1012 W1.8 \times 10^{12} \text{ W}1.8×1012 W
4.3×1013 W4.3 \times 10^{13} \text{ W}4.3×1013 W
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.