| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| significance of photoelectric effect | 1.42 | 0.9 | 7596 | 86 | 36 |
| significance | 1.43 | 1 | 6917 | 69 | 12 |
| of | 0.83 | 0.6 | 8597 | 60 | 2 |
| photoelectric | 0.96 | 0.5 | 4398 | 90 | 13 |
| effect | 1.66 | 0.4 | 1760 | 72 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| significance of photoelectric effect | 0.81 | 1 | 8728 | 58 |
