| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| refraction of light equation derivation | 1.61 | 1 | 7720 | 79 | 39 |
| refraction | 1.09 | 0.2 | 2973 | 32 | 10 |
| of | 1.75 | 0.3 | 9017 | 40 | 2 |
| light | 1.18 | 0.7 | 1657 | 57 | 5 |
| equation | 0.78 | 1 | 8615 | 81 | 8 |
| derivation | 1.71 | 0.2 | 5793 | 11 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| refraction of light equation derivation | 0.08 | 0.7 | 2977 | 92 |
