| Date | May 2014 | Marks available | 1 | Reference code | 14M.1.HL.TZ2.32 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 2 |
| Command term | Question number | 32 | Adapted from | N/A |
Question
The nuclei in a sample of a radioactive isotope decay by emitting α and γ particles. Which of the following is correct for the energies of the α particles and for the energies of the γ particles?
Markscheme
A
Examiners report
C was a popular, yet incorrect, response. Candidates need to know that the nucleus has its own discrete energy levels, which are revealed in the emission of a Ɣ-particle.
Syllabus sections
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