| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| lectures on optics pdf | 0.38 | 0.3 | 1761 | 92 | 22 |
| lectures | 0.61 | 0.7 | 6003 | 6 | 8 |
| on | 1.54 | 0.1 | 4140 | 70 | 2 |
| optics | 1.75 | 0.3 | 9172 | 12 | 6 |
| 0.54 | 0.5 | 9410 | 33 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| lectures on optics pdf | 0.66 | 0.5 | 8994 | 61 |
