Sources of Light and Transparency Flashcards
What is the definition of incandescence?
The process of emitting light because of high temperatures
What is an example of incandescence?
Kerosene lamps
What is the definition of fluorescence?
The process of emitting light while receiving energy from another source
What is an example of fluorescence?
Fluorescent tubes
What is the definition of bioluminescence?
Living things making themselves luminous using a chemical reaction
What is an example of bioluminescence?
Fireflies and glow-worms
What is the definition of electric discharge?
The process of emitting light because of electricity passing through a gas
What is an example of electric discharge?
Lightning
What is the definition of phosphorescence?
The process of emitting light for a short time after receiving energy from another source
What is an example of phosphorescence?
Glow in the dark objects
What is the definition of chemiluminescence?
The process of changing chemical energy into light energy with little or no change in temperature
What is an example of chemiluminescence?
Glowsticks
What does transparency mean?
The measure of how much light can pass through a material
What does transparent mean?
Particles in the material let light pass through easily
What does translucent mean?
Partciles in the material transmit light, but also reflect some. A clear image can not be seen
