| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| photoelectric effect is based on | 1.02 | 0.7 | 7116 | 79 | 32 |
| photoelectric | 1.37 | 0.1 | 2768 | 50 | 13 |
| effect | 0.27 | 0.1 | 686 | 2 | 6 |
| is | 0.37 | 1 | 1387 | 10 | 2 |
| based | 1.15 | 0.8 | 6698 | 41 | 5 |
| on | 1.85 | 0.8 | 5507 | 53 | 2 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| photoelectric effect is based on | 0.83 | 0.8 | 5957 | 29 |
