表一:焦距 10厘米
实验序号 | u(厘米) | v(厘米) | L像(厘米) | v和u的比值 |
1 | 12.0 | 60.0 | 25.0 | 5.0 |
2 | 15.0 | 30.0 | 10.0 | 2.0 |
3 | 18.0 | 22.5 | 6.3 | 1.3 |
4 | 20.0 | 20.0 | 5.0 | 1.0 |
5 | 30.0 | 15.0 | 2.5 | 0.5 |
6 | 35.0 | 14.0 | 2.0 | 0.4 |
7 | 40.0 | 13.3 | 1.6 | 0.3 |
表二:焦距 15厘米
实验序号 | u(厘米) | v(厘米) | L像(厘米) | v和u的比值 |
8 | 20.0 | 60.0 | 15.0 | 3.0 |
9 | 25.0 | 37.5 | 7.5 | 1.5 |
10 | 27.0 | 33.8 | 6.5 | 1.3 |
11 | 30.0 | 30.0 | 5.0 | 1.0 |
12 | 35.0 | 26.3 | 3.9 | 0.8 |
13 | 40.0 | 24.0 | 3.0 | 0.6 |
14 | 45.0 | 22.5 | 2.5 | 0.5 |