A-LevelPhysicsNuclear physics9702/12 · May/June 2015 · Q401 Mark

A uranium-238 nucleus, ₂₃₈U, undergoes nuclear decays to form uranium-234, ₂³⁴U. Which series of decays could give this result?

Aemission of four β-particles

Bemission of four γ-rays

Cemission of one α-particle and two β-particles

Demission of two α-particles and eight β-particles

✓ Correct answer

C: emission of one α-particle and two β-particles

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Topic: Nuclear physics, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, May/June 2015 Paper 1 Variant 2, question 40.

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