A student measures the time it takes for a pendulum to complete 10 oscillations.
She takes 3 measurements of the time taken for four different pendulum lengths, A, B, C and D.
| Length | 1st measurement (s) | 2nd measurement (s) | 3rd measurement (s) |
|---|---|---|---|
| A | 12.34 | 12.31 | 12.39 |
| B | 10.55 | 10.68 | 10.51 |
| C | 8.82 | 8.84 | 8.81 |
| D | 6.74 | 6.70 | 6.72 |
Which length, A, B, C or D, has the largest range of values?
A
B
C
D
47 exam-style questions on OCR GCSE Physics Practical skills. Each one has a worked solution and a mark scheme showing where the marks go.