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science ch 12 voc

QuestionAnswer
Opaque materials only absorb and reflect light; no light passes through them
Translucent materials transmit light but also scatter it
Transparent materials transmit light without scattering it, so you can see objects clearly through them
Index of refraction is a property of material that indicates how much the speed of light in the material is reduced compared to the speed of light in a vacuum
Mirage an image of a distant object produced by the refraction of light through air layers of different densities
Filter is a transparent material that selectively transmits light
Pigment is a colored material that is used to change the color of other substances
Incandescent light is light generated by heating a piece of metal until it glows
Fluorescent light is light generated by using phosphors to convert ultraviolet radiation to visible light
Coherent light is light of only one wavelength that travels in one direction with a constant distance between the corresponding crests of the waves
Incoherent light can have more than one wavelength, can travel in more than one direction, and does not travel with a constant distance between the corresponding crests of the waves
Linearly polarized light is light with a magnetic field that vibrates in only one direction
Holography is a technique that produces a hologram, a complete three-dimensional photographic image of an object
Total internal reflection this complete reflection of light at the boundary between two different materials
Optical scanner is a device that reads intensities of reflected light and coverts the information to digital signals
Created by: amgrace
 

 



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