| Date | May 2018 | Marks available | 1 | Reference code | 18M.1.HL.TZ2.13 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 2 |
| Command term | Question number | 13 | Adapted from | N/A |
Question
A string stretched between two fixed points sounds its second harmonic at frequency f.
Which expression, where n is an integer, gives the frequencies of harmonics that have a node at the centre of the string?
A. \(\frac{{n + 1}}{2}f\)
B. nf
C. 2nf
D. (2n + 1)f
Markscheme
B
Examiners report
[N/A]
Syllabus sections
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