Sources of Light
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9 Terms
Incandescence
Light produced because something gets really hot.
Electric Discharge
An electric current passes through a gas and causes it to glow.
Fluorescence
An object absorbs ultraviolet light and immediately releases the energy as visible light.
Phosphorescence
Absorbs energy and continues to glow after the energy source is removed.
Chemiluminescence
Light produced by a chemical reaction without a significant increase in temperature.
Bioluminescencelight
Light produced by a chemical reaction inside a living organism.
Triboluminescence
Light produced when certain materials are scratched, crushed, or rubbed.
LEDs — Light-Emitting Diodes
An electronic device that produces light when electric current passes through it.
Lasers
Has organized electromagnetic waves that form a concentrated beam.