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5 Written questions

5 Multiple choice questions

  1. 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.
  2. 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.
  3. Allows you to direct ambient light up through the hole in the stage and illuminate the specimen.
  4. 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. The bottom of the microscope, used for support

5 True/False questions

  1. Coarse Adjustment KnobThis is the rough focus knob on the microscope. You use it to move the objective lenses toward or away from the specimen.

          

  2. Fine adjustment knobThis is the rough focus knob on the microscope. You use it to move the objective lenses toward or away from the specimen.

          

  3. Eyepiecethe lens at the top that you look through.

          

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

          

  5. ArmSupports the tube and connects it to the base