DP Physics (last assessment 2024)
Question 19M.3.HL.TZ1.10b.i
| Date | May 2019 | Marks available | [Maximum mark: 1] | Reference code | 19M.3.HL.TZ1.10b.i |
| Level | HL | Paper | 3 | Time zone | TZ1 |
| Command term | Outline | Question number | b.i | Adapted from | N/A |
b.i.
[Maximum mark: 1]
19M.3.HL.TZ1.10b.i
Gasoline of density 720 kg m–3 flows in a pipe of constant diameter.
(b.i)
Outline why the speed of the gasoline at X is the same as that at Y.
[1]
Markscheme
«continuity equation says» Av = constant «and the areas are the same» ✔
Examiners report
In b) most candidates well noted and understood the application of the continuity equation.
