| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| planck constant times speed of light | 2 | 0.6 | 7860 | 76 |
| planck times speed of light | 1.21 | 0.1 | 8434 | 91 |
| planck's constant x speed of light | 0.2 | 0.6 | 8214 | 92 |
| planck's constant speed of light in vacuum | 0.14 | 0.9 | 2894 | 24 |
| speed of light in planck units | 1.75 | 0.7 | 3972 | 57 |
| planck's constant times frequency | 0.47 | 0.3 | 3885 | 99 |
| planck constant wavelength and frequency | 0.97 | 0.6 | 19 | 72 |
| what is the planck's constant | 0.44 | 0.6 | 8004 | 27 |
| planck's constant using led | 0.29 | 1 | 3932 | 62 |
| how fast is planck time | 1.11 | 0.5 | 1482 | 45 |
| planck's constant * frequency | 0.5 | 0.8 | 4993 | 22 |
