| Answer | Crossword Clue |
|---|---|
| phosphoresces | Emit light or radiation by phosphorescence |
| phosphoresce | Emit light or radiation by phosphorescence |
| phosphorescing | Emit light or radiation by phosphorescence |
| phosphoresced | Emit light or radiation by phosphorescence |
| photoactive | affected physically or chemically by light or other radiation |
| exposures | The quantity of light or other radiation reaching a photographic film, as determined by shutter speed and lens aperture |
| exposure | The quantity of light or other radiation reaching a photographic film, as determined by shutter speed and lens aperture |
| fluorescence | The visible or invisible radiation emitted by certain substances as a result of incident radiation of a shorter wavelength such as X-rays or ultraviolet light |
