DP Physics (first assessment 2025)
Question 21M.2.SL.TZ2.b.ii
| Date | May 2021 | Marks available | [Maximum mark: 1] | Reference code | 21M.2.SL.TZ2.b.ii |
| Level | SL | Paper | 2 | Time zone | TZ2 |
| Command term | Draw | Question number | b.ii | Adapted from | N/A |
b.ii.
[Maximum mark: 1]
21M.2.SL.TZ2.b.ii
The tube is raised until the loudness of the sound reaches a maximum for a second time.
Draw, on the following diagram, the position of the nodes in the tube when the second maximum is heard.
[1]
Markscheme
nodes shown at water surface AND way up tube (by eye) ✓
Accept drawing of displacement diagram for correct harmonic without nodes specifically identified.
Award [0] if waveform is shown below the water surface