O-LevelPhysicsNuclear Physics5054/11 · May/June 2024 · Q371 Mark

Alpha particles are directed at a thin gold foil. Only a very small proportion of the alpha particles are deflected through very large angles. Which fact about the nuclei of the gold atoms is not a conclusion of this experiment?

AThey are surrounded by mostly empty space.

BThey are very small.

CThey contain most of the mass of the atom.

DThey contain protons and neutrons.

✓ Correct answer

D: They contain protons and neutrons.

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Topic: Nuclear Physics, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, May/June 2024 Paper 1 Variant 1, question 37.

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