| Answer | Crossword Clue |
|---|---|
| LUMEN | Unit of light-bulb intensity |
| LUMEN | Unit of light bulb intensity |
| PYR | Unit of light intensity. |
| PHOTON | Unit of light intensity |
| PYR | Unit of light intensity |
| LUMEN | Unit of light intensity |
| CANDELA | Light-intensity unit |
| WATT | Light bulb unit |
| LUMEN | Light bulb unit |
| LUMEN | Light-bulb unit |
| WATT | Light-bulb unit |
| WATT | Light-bulb brightness unit |
| WATT | Light bulb power unit |
