DP Physics (first assessment 2025)
Question 19M.1A.SL.TZ1.19
| Date | May 2019 | Marks available | [Maximum mark: 1] | Reference code | 19M.1A.SL.TZ1.19 |
| Level | SL | Paper | 1A | Time zone | TZ1 |
| Command term | Question number | 19 | Adapted from | N/A |
19.
[Maximum mark: 1]
19M.1A.SL.TZ1.19
In science, models are extensively used to study real life situations.
A person X on the beach wants to reach a person Y in the sea in the shortest possible time. The speed of person X on land is different from the speed of person X in the water. Which physical phenomenon will best model the path with the least time?
A. Conservation of momentum
B. Diffraction
C. Flow of charge in a conductor
D. Refraction
[1]
Markscheme
D
