| Date | May 2018 | Marks available | 1 | Reference code | 18M.1.SL.TZ2.17 |
| Level | Standard level | Paper | Paper 1 | Time zone | Time zone 2 |
| Command term | Question number | 17 | Adapted from | N/A |
Question
A sound wave has a wavelength of 0.20 m. What is the phase difference between two points along the wave which are 0.85 m apart?
A. zero
B. 45°
C. 90°
D. 180°
Markscheme
C
Examiners report
[N/A]
Syllabus sections
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