DP Physics (last assessment 2024)
Question 18M.1.HL.TZ2.27
Date | May 2018 | Marks available | [Maximum mark: 1] | Reference code | 18M.1.HL.TZ2.27 |
Level | HL | Paper | 1 | Time zone | TZ2 |
Command term | Question number | 27 | Adapted from | N/A |
27.
[Maximum mark: 1]
18M.1.HL.TZ2.27
A train is approaching an observer with constant speed
where c is the speed of sound in still air. The train emits sound of wavelength λ. What is the observed speed of the sound and observed wavelength as the train approaches?
[1]
Markscheme
A