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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. This is the rough focus knob on the microscope. You use it to move the objective lenses toward or away from the specimen.
  3. The bottom of the microscope, used for support
  4. A steady light source (110 volts) used in place of a mirror.
  5. the lens at the top that you look through.

5 True/False questions

  1. Objective LensThey 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.


  2. StageThe bottom of the microscope, used for support


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


  4. ArmThe bottom of the microscope, used for support


  5. DiaphragmA 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.


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