DP Physics (first assessment 2025)
Question 22M.2.SL.TZ2.3b
| Date | May 2022 | Marks available | [Maximum mark: 3] | Reference code | 22M.2.SL.TZ2.3b |
| Level | SL | Paper | 2 | Time zone | TZ2 |
| Command term | Explain, State | Question number | b | Adapted from | N/A |
b.
[Maximum mark: 3]
22M.2.SL.TZ2.3b
(b)
The metal plate is replaced by a wooden plate that reflects a lower intensity sound wave than the metal plate.
State and explain the differences between the sound intensities detected by the same microphone with the metal plate and the wooden plate.
[3]
Markscheme
relates intensity to amplitude ✓
antinodes / maximum intensity will be decreased / quieter ✓
nodes / minimum will be increased / louder ✓
difference in intensities will be less ✓
maxima and minima are at the same positions ✓
OWTTE
