DP Physics (last assessment 2024)
Question 19M.2.HL.TZ2.dii
Date | May 2019 | Marks available | [Maximum mark: 1] | Reference code | 19M.2.HL.TZ2.dii |
Level | HL | Paper | 2 | Time zone | TZ2 |
Command term | Label | Question number | dii | Adapted from | N/A |
dii.
[Maximum mark: 1]
19M.2.HL.TZ2.dii
The sound wave in air in (c) enters a pipe that is open at both ends. The diagram shows the displacement, at a particular time T, of the standing wave that is set up in the pipe.
A particular air molecule has its equilibrium position at the point labelled M.
On the diagram, at time T, label with the letter C a point in the pipe that is at the centre of a compression.
[1]
Markscheme
any point labelled C on the vertical line shown below ✔
eg:
Examiners report
This was answered well at both levels.
