O-LevelPhysicsNuclear Physics5054/11 · Oct/Nov 2021 · Q401 Mark

In the simple model of an atom, X orbits around Y. What are X and Y?

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Aelectron X, nucleus Y

Bneutron X, electron Y

Cnucleus X, proton Y

Dproton X, neutron Y

✓ Correct answer

A: electron X, nucleus Y

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Topic: Nuclear Physics, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, Oct/Nov 2021 Paper 1 Variant 1, question 40.

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