A-LevelPhysicsNuclear physics9702/12 · May/June 2014 · Q401 Mark

The first artificial radioactive substance was made by bombarding aluminium, ²⁷₁₃Al, with α-particles. This produced an unstable isotope of phosphorus, ³⁰₁₅P. What was the by-product of this reaction?

Aan α-particle

Bβ-particle

Cneutron

Dproton

✓ Correct answer

C: neutron

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Topic: Nuclear physics, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, May/June 2014 Paper 1 Variant 2, question 40.

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