| Date | November 2011 | Marks available | 1 | Reference code | 11N.1.HL.TZ0.31 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 0 |
| Command term | Question number | 31 | Adapted from | N/A |
Question
A proton decays to a neutron. The other products of the decay are a
A. positron and neutrino.
B. positron and antineutrino.
C. electron and neutrino.
D. electron and antineutrino.
Markscheme
A
Examiners report
[N/A]
Syllabus sections
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