| Date | May 2017 | Marks available | 1 | Reference code | 17M.1.SL.TZ2.28 |
| Level | Standard level | Paper | Paper 1 | Time zone | Time zone 2 |
| Command term | Question number | 28 | Adapted from | N/A |
Question
The main role of a moderator in a nuclear fission reactor is to
A. slow down neutrons.
B. absorb neutrons.
C. reflect neutrons back to the reactor.
D. accelerate neutrons.
Markscheme
A
Examiners report
[N/A]
Syllabus sections
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