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waves and light

waves and wavelenth

TermDefinition
Wave a disturbance that transfers energy from place to place
Energy the ability to do work
Medium material through which a wave travels
Mechanical waves travel through gases, liquids or solids
Vibration- repeated back-and-forth or up-and-down motion
Amplitude the maximum distance the particles of a medium move away from their rest positions as a wave passes through the medium
Wavelength distance between 2 corresponding points (crest to crest, trough to trough
Frequency the number of complete waves that pass a given point in a certain amount of time.
Speed how far a wave travels in a given amount of time
crest high point of the wave
Trough the low point of the wave
Resting position is a position to rest at.
damping decrease in amplitude as energy decreases because of friction , air , resistance , gravity, etc
Electromagnetic 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 not able to see through : non transparent
primary colors Three colors that can be used to make any other color
primary colors of light red, blue, green
angle of incidence the angle the light is coming in
law of reflection the rule that the angle of reflection equals the angle of incidence
plane mirror A plane mirror is a mirror with a flat (planar) reflective surface
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 in the center than at the edges
Concave lens a lens that is thinner in the center than at the edges
Created by: helen lawendy
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