| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| do photons have momentum | 1.96 | 0.2 | 6531 | 60 | 24 |
| do | 0.12 | 0.1 | 3753 | 93 | 2 |
| photons | 1.41 | 0.9 | 7658 | 91 | 7 |
| have | 0.33 | 0.8 | 2364 | 13 | 4 |
| momentum | 1.92 | 0.8 | 9516 | 99 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| do photons have momentum | 0.83 | 0.1 | 295 | 40 |
