| Date | May 2017 | Marks available | 1 | Reference code | 17M.1.SL.TZ2.15 |
| Level | Standard level | Paper | Paper 1 | Time zone | Time zone 2 |
| Command term | Question number | 15 | Adapted from | N/A |
Question
The graph shows the variation with distance x of the displacement of the particles of a medium in which a longitudinal wave is travelling from left to right. Displacements to the right of equilibrium positions are positive.
Which point is at the centre of a compression?
A. x = 0
B. x = 1 m
C. x = 2 m
D. x = 3 m
Markscheme
B
Examiners report
[N/A]
Syllabus sections
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