Field Size (cm × cm) | 5 × 5 | 10 × 10 | 15 × 15 | 20 × 20 | 25 × 25 | 30 × 30 | 35 × 35 | Mean |
Timer error, τ (s) | 1.15 | 1.19 | 1.19 | 1.2 | 1.2 | 1.21 | 1.2 | 1.20 |