Inside a stellar plasma, two alpha particles (24He2+^{4}_{2}\text{He}^{2+}24He2+) are briefly separated by a distance of 4.0 × 10-15 m.
Which is the best estimate of the ratio electrostatic repulsion forcegravitational attraction force\displaystyle \frac{\text{electrostatic repulsion force}}{\text{gravitational attraction force}}gravitational attraction forceelectrostatic repulsion force for these two alpha particles?
102710^{27}1027
103510^{35}1035
103910^{39}1039
104310^{43}1043
48 exam-style questions on AQA A Level Physics Electric fields (A-level only), covering Coulomb's law (A-level only), Electric field strength (A-level only), and Electric potential (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.