| Date | May 2015 | Marks available | 1 | Reference code | 15M.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 standing sound wave is set up inside a narrow glass tube which has both ends open. The first harmonic frequency of the standing wave is 500Hz. What is the frequency of the sound wave if the length of the tube is halved and one end is closed?
A. 250 Hz
B. 500 Hz
C. 1000 Hz
D. 2000 Hz
Markscheme
B
Examiners report
[N/A]
Syllabus sections
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