Physics 9702 · 25 Astronomy and cosmology
25.1 Standard candles
Define luminosity, apply the inverse square law, and use standard candles for distance measurement.
- Questions
- 14
- Years
- 2015–2026
- Multiple choice
- 1
- Written answer
- 13
- Average marks
- 8.4
Practise astronomy and cosmology questions with instant markingTeachers: build a worksheet from past papers
Where this subtopic appears
- Paper 4variants 41, 42, 43, 4413
- Paper 1variants 111
Questions by year
| Year | Feb/March | May/June | Oct/Nov | Total |
|---|---|---|---|---|
| 2026 | – | 4 | – | 4 |
| 2025 | 1 | – | 1 | 2 |
| 2023 | 1 | 2 | 1 | 4 |
| 2022 | 1 | – | 2 | 3 |
| 2015 | – | – | 1 | 1 |
