| Date | May 2017 | Marks available | 1 | Reference code | 17M.1.SL.TZ1.17 |
| Level | Standard level | Paper | Paper 1 | Time zone | Time zone 1 |
| Command term | Question number | 17 | Adapted from | N/A |
Question
When a sound wave travels from a region of hot air to a region of cold air, it refracts as shown.
What changes occur in the frequency and wavelength of the sound as it passes from the hot air to the cold air?
Markscheme
B
Examiners report
[N/A]
Syllabus sections
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