| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| normal incidence in refraction | 1.68 | 0.4 | 5255 | 45 | 30 |
| normal | 0.25 | 0.7 | 7281 | 9 | 6 |
| incidence | 0.47 | 0.6 | 8161 | 100 | 9 |
| in | 1.9 | 0.5 | 3807 | 63 | 2 |
| refraction | 1.35 | 0.7 | 8052 | 73 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| normal incidence in refraction | 1.2 | 0.6 | 6767 | 97 |
