Light and Optical Systems: Topics 1-3 Flashcards
Define Light
A form of energy that we can see
Define bioluminescence
Light emissions produce by chemical reactions inside a living thing
Define Incandescence
Heated to the point of visible light.
Define Opaque
Not allowing any light to pass through
Define reflection
The process of light bouncing off of a reflective surface
Define Transparent
Allowing light to pass through
Define chemiluminescence
Visible light produced by a chemical reaction
Define refraction
Bending light from one medium to another
Define Fluorescence
Invisible ultraviolet light is absorbed by particles, then emitted as visible light.
Define translucent
Allowing some light to pass through
Define Phosphorescence
Light energy stored by particles. This is later released as visible light.
Define Luminous
Giving off its own light.
What does a convex mirror do?
A convex mirror bulges towards the lights source. -> ()
A convex mirror reflects light outwards.
What does a concave mirror do?
A concave mirror bulges away from the light source and reflects light inward to one focused point of light.
What is kWh?
Kilowatts per hour