Physics 9702 · 1 Physical quantities and units
1.3 Errors and uncertainties
Distinguish precision and accuracy, analyze systematic and random errors, and calculate combined uncertainties.
- Questions
- 280
- Years
- 2015–2026
- Multiple choice
- 82
- Written answer
- 198
- Average marks
- 11.9
Practise physical quantities and units questions with instant markingTeachers: build a worksheet from past papers
Where this subtopic appears
- Paper 3variants 31, 32, 33, 34, 35, 36, 37, 38123
- Paper 1variants 11, 12, 13, 1482
- Paper 5variants 51, 52, 53, 5439
- Paper 2variants 21, 22, 23, 2434
- Paper 4variants 41, 432
Questions by year
| Year | Feb/March | May/June | Oct/Nov | Total |
|---|---|---|---|---|
| 2026 | 5 | 23 | – | 28 |
| 2025 | – | – | 1 | 1 |
| 2023 | 3 | 10 | 11 | 24 |
| 2022 | 3 | 10 | 11 | 24 |
| 2021 | 3 | 10 | 10 | 23 |
| 2020 | 4 | 9 | 11 | 24 |
| 2019 | 4 | 13 | 15 | 32 |
| 2018 | 3 | 13 | 15 | 31 |
| 2017 | 2 | 14 | 17 | 33 |
| 2016 | 3 | 18 | 16 | 37 |
| 2015 | – | 11 | 12 | 23 |
