Exam Microscopes Flashcards
What is contained in the eyepiece of a compound light microscope?
The ocular lens magnifies the image to be seen by our eyes.
What is the function of the nosepiece in a microscope?
Holds the high and low power objective lenses, which can be rotated to change magnification.
What is the magnification range of the objective lenses?
4x to 40x.
What is the purpose of the arm in a microscope?
Used to support the microscope when carried.
What does the stage do in a microscope?
Supports the slide being viewed.
What is the role of stage clips?
Holds the slide in place.
What does the diaphragm regulate?
The amount of light on the specimen.
What does the coarse adjustment knob do?
Moves the stage up and down for focusing.
What is the function of the fine adjustment knob?
Moves the stage slightly to sharpen the image.
What is the purpose of the light source in a microscope?
Projects light upwards through the diaphragm, the specimen, and the lenses.
What does the base of the microscope support?
Supports the microscope.
Define field of view in the context of microscopy.
The large circle you see the specimen in.
What is total magnification and how is it calculated?
Ocular lens (eyepiece - 10x) X objective lens.
Fill in the blank: To find low, medium, and high magnification, you need to _______.
get one of the prepared slides and practice focusing the microscope.
What is a suggested activity to practice using a microscope?
Make a slide using a strand of your own hair.
