DP Physics (first assessment 2025)
Question 21M.2.SL.TZ2.5b.i
| Date | May 2021 | Marks available | [Maximum mark: 2] | Reference code | 21M.2.SL.TZ2.5b.i |
| Level | SL | Paper | 2 | Time zone | TZ2 |
| Command term | Outline | Question number | b.i | Adapted from | N/A |
b.i.
[Maximum mark: 2]
21M.2.SL.TZ2.5b.i
(b.i)
Outline how a standing wave forms in the tube.
[2]
Markscheme
«sound» wave «travels down tube and» is reflected ✓
incident and reflected wave superpose/combine/interfere ✓
OWTTE
Do not award MP1 if the reflection is quoted at the walls/container
