| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| refractive index formula with critical angle | 1.12 | 0.6 | 6725 | 69 | 44 |
| refractive | 1.97 | 0.1 | 141 | 71 | 10 |
| index | 0.4 | 0.8 | 2606 | 82 | 5 |
| formula | 1.47 | 0.2 | 6440 | 4 | 7 |
| with | 1.01 | 0.7 | 9814 | 89 | 4 |
| critical | 1.2 | 0.7 | 7888 | 61 | 8 |
| angle | 1.46 | 0.7 | 9103 | 51 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| refractive index formula with critical angle | 0.55 | 0.2 | 5334 | 70 |
