Chapter 2 Using Light Flashcards
(21 cards)
A disturbance that transfers energy from place to place
Wave
the ability to do work or cause change
Energy
the material through which a wave travels
Medium
A repeated back-and-forth or up-and-down motion
Vibrations
the highest part of a wave
Crest
the lowest part of a wave
Trough
the maximum distance the particles of a medium move away from their rest positions as a wave passes through the medium
Amplitude
the distance between two corresponding parts of a wave
Wavelength
the number of complete waves that pass a given point in a certain amount of time
Frequency
the way frequency is measured in units
Hertz
Waves that transfer electrical and magnetic energy
Electromagnetic Waves
the energy that is transferred through space by electromagnetic waves
Electromagnetic Waves
the complete range of electromagnetic waves placed in order of increasing frequency
Electromagnetic Spectrum
Electromagnetic waves that you can see
Visible Light
That which transmits light without scattering it
Transparent
That which scatters light as it passes through
Translucent
Reflecting or absorbing all of the light that strikes it
Opaque
Three colors that can be used to make any color
Primary Color
Any color produced by combining equal amounts of any two primary colors
Secondary Colors
Any two colors that combine to form white light or black pigment
Complementary Colors
A colored chemical compound that absorbs light and can be used to color other materials
Pigment
