| Date | May 2018 | Marks available | 1 | Reference code | 18M.1.SL.TZ1.13 |
| Level | Standard level | Paper | Paper 1 | Time zone | Time zone 1 |
| Command term | Question number | 13 | Adapted from | N/A |
Question
A first-harmonic standing wave is formed on a vertical string of length 3.0 m using a vibration generator. The boundary conditions for this string are that it is fixed at one boundary and free at the other boundary.
The generator vibrates at a frequency of 300 Hz.
What is the speed of the wave on the string?
A. 0.90 km s–1
B. 1.2 km s–1
C. 1.8 km s–1
D. 3.6 km s–1
Markscheme
D
Examiners report
[N/A]
Syllabus sections
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