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Cambridge IGCSE. 2025. Physics (0625). May/June - Paper 2 (22) · Multiple Choice (Extended) - Question 34

Cambridge IGCSE · Paper 2 (22) · Multiple Choice (Extended)

Question 34

When a thin gold foil is bombarded with alpha particles, some alpha particles are deflected through large angles.

Which statement explains this deflection?
  1. Most of the atom consists of empty space.
  2. All of the positive charge and most of the mass of the gold atom are concentrated in a small volume.
  3. Positive charge in the gold atom is spread evenly throughout the atom.
  4. All of the negative charge is concentrated at its centre.
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