Light and Optics Flashcards
What are the types of Natural Light?
Bioluminescent: Living Things create light
Chemiluminescent: Glow Sticks
What are the types of Artificial Light?
Phosphorescent, glow in the dark after
Fluorescent, Tubes coated in phosphor
Incandescent, Uses electricity to heat filiment
What were the theories of light?
Pythagoras: Eyes Emit Light
Al-Haytham: Rainbows, Rays
Newton: Prisms, White Light
Archimedes: Light in Warefare
What are the Properties of Light?
- Light Travels at a Constant Speed
- Light can be bent or reflected
- Light travels in straight lines
- Light os a form of Energy
What are the colors in white light?
Red Orange Yellow Green Blue Indigo Violet
What are Sources of Light (Man-made and Natural)?
Natural: Sun, Form of Hydrogen
Artificial: Burning
What do you measure in a wave model?
Frequency: Vibrations of waves per unit of time
Amplitude
Wavelength: Length from peak to peak
What is EMR?
Electro
Magnetic
Radiation
What is the Formula for Speed of Light?
Wavelength x Frequency
What is the order of waves in a spectrum?
Gamma Rays, X - Rays, UV Rays, Visible Light, Infrared, Microwaves, Radio Waves.
What are the two different types of Eyes?
Camera Eyes
Compound Eyes
What are the two types of Cameras?
Film Cameras
Digital Cameras
What is resolution?
How precise the image is
What are two types of Telescopes?
Refracting Lens
Reflecting Mirrors
What are the different types of Reflection?
Ir-regular, Diffuse
Regular
