DP Physics (last assessment 2024)
Question 22M.1.SL.TZ2.30
| Date | May 2022 | Marks available | [Maximum mark: 1] | Reference code | 22M.1.SL.TZ2.30 |
| Level | SL | Paper | 1 | Time zone | TZ2 |
| Command term | Question number | 30 | Adapted from | N/A |
30.
[Maximum mark: 1]
22M.1.SL.TZ2.30
The Sankey diagrams for a filament lamp and for an LED bulb are shown below.
What is the efficiency of the filament lamp and the LED bulb?
[1]
Markscheme
A
