| Answer | Crossword Clue |
|---|---|
| CANDELA | Light-intensity measure |
| PHON | Decibel-intensity measure |
| DECIBEL | Measure of wave intensity |
| PHOTONS | Light intensity units |
| CANDELA | Light-intensity unit |
| ARCLAMP | High-intensity light |
| PHOTON | Unit of light intensity |
| LUMEN | Unit of light intensity |
| PYR | Unit of light intensity |
| LUMINAL | Pertaining to light intensity. |
| PYRS | Units of light intensity. |
| PYR | Unit of light intensity. |
| LUMEN | Unit of light-bulb intensity |
| LUMEN | Unit of light bulb intensity |
