Physics · May / June 2022 · Paper 11 · Question 40
5054The atom
In the Geiger-Marsden experiment, alpha-particles are fired at a thin gold sheet. Most alpha-particles pass straight through the thin gold sheet. A few are deflected. What can be deduced from this experiment?
- AThe nucleus is very small.
- BThe nucleus has no charge.
- CElectrons surround the nucleus.
- DElectrons have a negative charge.
As printed in the paper
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Correct answer: A. The nucleus is very small.
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