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1.4
textbook definitons
Term | Definition |
---|---|
compound light microscope | a microscope that shines light through a specimen and has two lenses to magnify an image |
eyepiece (ocular lens) | magnifies an object 10x |
objective lens | enlarges the image of the specimen |
stage | a platform that supports a slide holding the specimen |
light source | a light bulb that provides light for viewing the image |
magnification | the increase of an object's apparent size |
nosepiece | the structure that holds the set of objective lens, rotates these lenses into place above the specimen |
resolution | the power to show details clearly in an image |
scanning electron microscope (SEM) | an electron microscope that passes a beam of electrons over the specimen's surface |
transmission electron microscope (TEM) | an electron microscope that transmits a beam of electrons through a very thinly sliced beam |
metric system | a decimal system and thus is based on powers of 10 |
base units | describe mass, time, length and other quantities |