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SOLVED:What type of microscope uses a cone of light so that light only hits the specimen indirectly, producing a darker image on a brighter background? a. a transmission electron microscope b. a scanning electron microscope c. a brightfield microscope d. a darkfield microscope e. a phase-contrast microscope
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when viewing a specimen through a light microscope what is a method that scientists use to make it easier to see individual components of cells a a beam of electrons b high temperatures c radioactiv 2
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If the effective area of the raster of an electron microscope specimen supplying information to the CRT of an electron microscope has a 5 nm diameter and the semicone angle, α, of the electron beam is 0.01 rad., a. What would be the maximum useable magnification of the microscope if a digital spot on the screen of the CRT has a 100 μm diameter? b. What would be the depth of field at this magnification? c. What would be the depth of field if this microscope were to be operated at a magnification
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