Microscope Quiz Flashcards
What is the function of the ocular lens (eye piece)?
It contains a magnifying lens and is fitted to the body tube. It magnifies objects by 10x.
What is the function of the body tube?
It supports the objective lenses.
What is the function of the revolving nosepiece?
It’s a disc-shaped piece at the lower end of the body tube, which rotates, allowing the objective lenses to be changed.
What is the function of the objective lenses?
It magnifies the object.
What is the function of the low power objective lenses?
It magnifies objects 4x. When combined with a 10x ocular lens, gives a magnification of 40x.
What is the function of the medium power objective lens?
It magnifies objects 10x. When combined with a 10x ocular lens, it gives a magnification of 100x.
What is the function of the high power objective lenses?
It magnifies objects 40x. When combined with a 10x ocular lens, it gives a magnification of 400x.
What is the function of the stage?
The part that supports the microscope slide.
What is the function of the stage clips?
It holds the slide onto the stage.
What is the function of the condenser lens?
It focuses the light onto the specimen.
What is the function of the diaphragm?
It regulates the amount of light reaching the specimen.
What is the function of the light source?
It shines light through the specimen.
What is the function of the base?
It supports all parts of the microscope.
What is the function of the arm?
It has curved support and is the area you pick up the microscope with.
What is the function of the coarse adjustment knob?
It is used to bring an object to view (Used with low power objective only).
What is the function of the fine adjustment knob?