An alpha particle consists of two protons and two neutrons. Suppose two alpha particles are separated by a distance of 3.0 × 10-15 m inside a heavy nucleus.
Which is an estimate of electrostatic repulsive forcegravitational attractive force\displaystyle \frac{\text{electrostatic repulsive force}}{\text{gravitational attractive force}}gravitational attractive forceelectrostatic repulsive force for these two alpha particles?
103110^{31}1031
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.