| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| airy disk definition | 1.59 | 0.8 | 2421 | 45 | 20 |
| airy | 1.62 | 0.2 | 9035 | 35 | 4 |
| disk | 1.07 | 0.4 | 3271 | 91 | 4 |
| definition | 0.6 | 0.7 | 3756 | 43 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| airy disk function | 0.82 | 0.1 | 3665 | 51 |
| airy disc function | 0.38 | 0.4 | 6919 | 52 |
| airy disk bessel function | 0.72 | 0.5 | 3494 | 94 |
