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Chp. 22 Vocab

Nature of Light

QuestionAnswer
Electromagnetic Wave A wave that consists of electric and magnetic fields that vibrate at a right angle to each other.
Radiation Transfer of energy as electromagnet waves.
Electromagnetic Spectrum All of the frequencies or wavelenghths of electromagnetic radiation.
Reflection The bouncing back of a ray of light, sound, or heat when the ray hits a surfaces that it does not go through.
Absorption In optics, the transfer of light energy to particles of matter.
Scattering An interaction of light with matter that causes light to change its energy, direction of motion, or both.
Refraction The bending of a wave as the wave passes between two substances in which the speed of the wave differs.
Diffraction A change in the direction of a wave when the wave finds an obstacle or an edge, such as an opening.
Interference The combination of two or more waves that results in a single wave.
Transmission The passing of light or other form of energy through matter.
Transpartent Describes matter that allows light to pass through with little interference.
Translucent Describes matter that transmits light but that does not transmit an image.
Opaque Describes an object that is not transparent or translucent.
Pigment A substance that gives another substances or a mixture its color.
Created by: sunshine3825
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