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Spectrum

TermDefinition
Wave A disturbance that transfers energy from place to place
Energy The ability to do work or cause change
Amplitude The maximum distance the particles of a medium move away from their rest position as a wave through the medium
Wavelength The distance between two corresponding parts of a wave
Frequency The number of complete waves that pass a given point in a certain amount of time
Vibration A repeated back-and-forth or up-and-down motion
Crest The highest part of a converse wave
Trough The lowest part of the converse wave
Resting Position The position in which the wave would sit if there was no disturbance moving through it
Mechanical Waves A wave that must travel through a medium in order to be transferred
Medium The material through which a wave travels
Damping A decrease in amplitude as energy decreases because of gravity, air resistance, friction, etc.
Speed The rate at which someone or something is able to move or operate
Electromagetic Wave Waves that transfer electric and magnetic energy through the vacuum of space
Electromagnetic Spectrum The complete range of electromagnetic waves placed in order of increasing frequency
Visible Light Electromagnetic waves that are visible to the human eye
Opaque A material that reflects or absorbs all of the light that it strikes
Primary Colors Three colors that can be used to make any other color
Primary Colors of Light The three colors of light that can be mixed to produce white light
Angle of Incidence The angle that an incident line or ray makes with a perpendicular to the surface at the point of Incidence
Law of Reflection A rule that the angle of reflection equals the angle of Incidence
Plane Mirror A flat mirror that produces an upright, virtual image that same size as the object
Concave Mirror A mirror with a surface that curves inward
Convex Mirror A mirror with a surface that curves outward
Refraction The bending of waves as they enter a new medium at an angle
Lens A curved piece of glass or other transparent material that is used to refract light
Convex Lens A lens that is thicker at the center that at the edges
Concave Lens A lens that is thinner at center than at the edges
Created by: Alyssa Prado