An interstellar probe is propelled by a nuclear fusion engine. Due to the fusion reactions occurring in its propulsion core, the total mass of the fuel decreases at a constant rate of 4.8 × 10-4 g per day.
What is the maximum power output of this fusion engine?
1.7×10−3 W1.7 \times 10^{-3}\text{ W}1.7×10−3 W
5.0×105 W5.0 \times 10^5\text{ W}5.0×105 W
1.2×107 W1.2 \times 10^7\text{ W}1.2×107 W
5.0×108 W5.0 \times 10^8\text{ W}5.0×108 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.