DP Physics (first assessment 2025)
Question 21M.2.SL.TZ1.6a
| Date | May 2021 | Marks available | [Maximum mark: 2] | Reference code | 21M.2.SL.TZ1.6a |
| Level | SL | Paper | 2 | Time zone | TZ1 |
| Command term | Outline | Question number | a | Adapted from | N/A |
a.
[Maximum mark: 2]
21M.2.SL.TZ1.6a
(a)
Outline how a standing wave is produced on the string.
[2]
Markscheme
«travelling» wave moves along the length of the string and reflects «at fixed end» ✓
superposition/interference of incident and reflected waves ✓
the superposition of the reflections is reinforced only for certain wavelengths ✓
