| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| geometric and physical optics | 0.95 | 0.3 | 5990 | 30 | 29 |
| geometric | 1.23 | 0.8 | 7968 | 81 | 9 |
| and | 0.3 | 0.4 | 6526 | 16 | 3 |
| physical | 0.82 | 0.2 | 5347 | 24 | 8 |
| optics | 0.1 | 0.1 | 4450 | 76 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| geometric and physical optics | 0.78 | 0.8 | 6931 | 92 |
