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5 Written questions

5 Multiple choice questions

  1. Allows you to direct ambient light up through the hole in the stage and illuminate the specimen.
  2. A rotating disk under the stage that is used to vary the intensity and size of the cone of light that is projected upward into the slide.
  3. This is the knob used to fine tune the focus on the specimen. It is also used to focus on various parts of the specimen. Generally one uses the coarse focus first to get close then moves to the fine focus knob for fine tuning.
  4. They almost always consist of 4X, 10X, 40X and 100X powers. When coupled with a 10X (most common) eyepiece lens, we get total magnifications of 40X (4X times 10X), 100X , 400X and 1000X.
  5. an objective lens (usually 100X or greater) designed to work with a drop of special oil placed between it and the slide. With oil, an increase in resolution will be noticed.

5 True/False questions

  1. StageConnects the eyepiece to the objective lenses


  2. TurretConnects the eyepiece to the objective lenses


  3. ArmThe bottom of the microscope, used for support


  4. Stage PlateOn a low power microscope, there is a frosted circular glass plate that fits in over the lower illuminator.


  5. TubeThe flat platform where you place your slides. Stage clips hold the slides in place.