Across
- 2. -visible or invisible radiation produced from certain substances as result of incident radiation.
- 7. -quality or condition of being sensitive.
- 8. -process in which electromagnetic radiation or particles are deflected or diffused.
- 10. -measure of capacity of substance to absorb light of specified wavelength.
- 11. -pn-junction device, when forward biased produces radiant energy.
- 12. -reinforcement or prolongation of sound by reflection from a surface.
- 14. -distance travelled by a wave.
- 15. -particle representing a quantum of light or electromagnetic radiation.
Down
- 1. -ratio of light energy falling on a body to that transmitted through it.
- 3. -measure of the proportion of light striking a surface which reflected off it.
- 4. -product and discharge of something especially gas or radiation.
- 5. - device used to select radiation of a single wavelength or energy.
- 6. -light emitted by a substance without combustion or perceptible heat.
- 9. -charge coupled devices.
- 13. -degree to which something absorbs energy, a liquid or another substance.