DP Physics (last assessment 2024)
Question 22N.1.HL.TZ0.14
| Date | November 2022 | Marks available | [Maximum mark: 1] | Reference code | 22N.1.HL.TZ0.14 |
| Level | HL | Paper | 1 | Time zone | TZ0 |
| Command term | Question number | 14 | Adapted from | N/A |
14.
[Maximum mark: 1]
22N.1.HL.TZ0.14
A sound wave travels through a gas at a speed of 270 m s−1. The graph shows the variation of the displacement s of the gas particles with distance d from the source.
What is the frequency of the wave?
A. 180 Hz
B. 360 Hz
C. 450 Hz
D. 900 Hz
[1]
Markscheme
A