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1.4 Terms
Term | Definition |
---|---|
compound light microscope | shines light through a specimen and has to lenses for magnifying |
eye piece (ocular lens) | magnifies images usually 10x |
objective lens | enlarges the image of the specimen |
stage | platform that holds the specimen |
light source | light bulb that provides light for viewing the specimen |
magnification | the increasing of an objects apparent size |
nose piece | structure that holds the objective lenses |
resolution | the power to show details clearly in an image |
scanning electron microscope(SEM) | passes a beam of electron over the surface of the specimen (3d and uncut specimen) |
transmission electron microscope(TEM) | transmits a beam of electron through the thinly sliced specimen |
metric system | system of measurement that uses the power of 10s |
base unit | describe length, mass. time and other quantities (seconds, inches) |