| Date | May 2010 | Marks available | 1 | Reference code | 10M.1.SL.TZ1.15 |
| Level | Standard level | Paper | Paper 1 | Time zone | Time zone 1 |
| Command term | Question number | 15 | Adapted from | N/A |
Question
Two waves meet at a point in space. Which of the following properties always add together?
A. Displacement
B. Amplitude
C. Speed
D. Frequency
Markscheme
A
Examiners report
This question highlighted a common confusion between displacement and amplitude.
