| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| unit of energy of photon | 1.84 | 0.4 | 5748 | 65 |
| is the photon the smallest unit of energy | 1.22 | 0.9 | 2075 | 20 |
| what is the unit for photon energy | 0.82 | 0.4 | 6740 | 89 |
| the smallest unit of energy is | 1.15 | 0.5 | 4344 | 80 |
| is a photon the smallest particle | 1.68 | 0.4 | 7114 | 81 |
| the energy of photon is equal to | 1.3 | 0.8 | 331 | 24 |
| what is the energy of one photon | 0.15 | 1 | 1144 | 8 |
| which photon has the lowest energy | 1.21 | 0.6 | 5700 | 78 |
| what is the unit for photons | 0.17 | 0.5 | 9146 | 61 |
| lowest energy per photon | 0.29 | 0.2 | 9996 | 25 |
| energy of 1 photon | 0.98 | 0.3 | 7766 | 45 |
| which photons carry the least energy | 0.73 | 1 | 777 | 47 |
