The times for 20 oscillations of a pendulum are measured as shown in the table:
| Measurement | Time for 20 oscillations (s) |
|---|---|
| 1 | 24.18 |
| 2 | 24.46 |
| 3 | 24.26 |
What is the average time for one oscillation?
1.215 s1.215\text{ s}1.215 s
1.230 s1.230\text{ s}1.230 s
2.430 s2.430\text{ s}2.430 s
24.30 s24.30\text{ s}24.30 s
164 exam-style questions on CIE IGCSE Physics Physical quantities and measurement techniques, covering Physical quantities and measurement techniques. Each one has a worked solution and a mark scheme showing where the marks go.