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5 Written questions

5 Multiple choice questions

  1. 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.
  2. On a low power microscope, there is a frosted circular glass plate that fits in over the lower illuminator.
  3. The flat platform where you place your slides. Stage clips hold the slides in place.
  4. Clips on the stage used to hold the slide in place.
  5. Allows you to direct ambient light up through the hole in the stage and illuminate the specimen.

5 True/False questions

  1. Oil Immersion Lensan 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.


  2. IlluminatorA steady light source (110 volts) used in place of a mirror.


  3. 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.


  4. DiaphragmSupports the tube and connects it to the base


  5. BaseThe bottom of the microscope, used for support