5 Written questions
5 Multiple choice questions
- This is the rough focus knob on the microscope. You use it to move the objective lenses toward or away from the specimen.
- A steady light source (110 volts) used in place of a mirror.
- Clips on the stage used to hold the slide in place.
- 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.
- On a low power microscope, there is a frosted circular glass plate that fits in over the lower illuminator.
5 True/False questions
Diaphragm → Supports the tube and connects it to the base
Fine adjustment knob → This is the rough focus knob on the microscope. You use it to move the objective lenses toward or away from the specimen.
Stage → Connects the eyepiece to the objective lenses
Oil Immersion Lens → 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.
Base → The bottom of the microscope, used for support