Physics (AS & A Level) · Feb / March 2020 · Paper 12 · Question 38
9702Atoms, nuclei and radiation
Two alpha-particles with the same kinetic energy are moving towards, and are then deflected by, a gold nucleus. Which diagram could show the paths of the two alpha-particles?
- ADiagram A: both alpha-particles deflected away from nucleus
- BDiagram B: one alpha-particle deflected, one passing straight
- CDiagram C: both alpha-particles deflected towards nucleus
- DDiagram D: alpha-particles crossing paths
As printed in the paper
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Correct answer: D. Diagram D: alpha-particles crossing paths
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