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Stack #131184

QuestionAnswer
Particle Theory The theory that a light beam behaves the same way as a beam of particles
Wave theory The theory that light behaves as a wave
Electromagnetic waves A transverse wave composed of an oscillating electrical field and a magnetic field that oscillates perpendicular to the electrical field
Dual nature The concept that light has wave and particle characteristics
Quantum-Mechanicle theory of light A theory in which light is viewed as tiny packets of waves
Visible spectrum The spectrum of light that we can see with our eyes
Electromagnetic spectrum All light
Ultraviolet light, x-rays, gamma rays Lightwaves with wavelengths smaller than visible light
Ultraviolet light Has enough energy to kill living tissue on contact; Used for sterilizing
X-rays More than enough energy to kill living tissue on contact
Infrared light Light with wavelengths, just larger than visible light; ex. a space heater
Radiowaves Light with wavelengths larger than infrared light; ex t.v. radio and microwaves
Reflection when light or sound waves bounce off an obstacle
Angle of incidence /the angle of a original light ray
Angle of reflection Angle of the reflected light ray
The Law of Reflection The angle of reflection equals the angle of incidence
Refraction When light or sound waves begin to travel through an obstacle
Law of Refraction 1 Whe light refracts into a substance, in which it must slow down, the light ray will bend, towards a line that it perpendicular to the surface that it strikes
Law of Refraction 2 When light refracts into a substance in which it can speed up, the light ray will bend away from a line that is perpendicular to the surface that it strikes
Fiberoptic A surface allows no refraction, only reflection
Converging lense A lense that makes all horizantle light rays converge to a single point
Diverging lense A lense that bends light rays outwards
Rods & Cones Light sensetive cell in the retina of the eye
Addative Primary Colors 3 colors that can create every color through combinations
Subtractive Primary Colors Clors that form the addative primary colors through combinations
Created by: sgt. apone
 

 



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