What observation from the Rutherford alpha-particle scattering experiment provided primary evidence that the atom contains a small, massive, positively charged nucleus?
Most alpha particles passed through the gold foil with little or no deflection.
Some alpha particles were deflected through very large angles.
The alpha particles lost significant kinetic energy upon entering the foil.
The number of alpha particles detected was proportional to the foil thickness.
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.