Microscope Parts and Functions

Front

What are the three types of objective lenses found in a microscope?

Back

Low (4X), Medium (10X), High (43X)

Front

What is the function of the arm in a microscope?

Back

The arm supports the body tube and connects it to the base.

Front

How do you calculate total magnification in a microscope?

Back

Total magnification = eyepiece (ocular lens) TIMES objective.

Front

What is the purpose of the objective lens in a microscope?

Back

To magnify the specimen being observed.

Front

What does the coarse adjustment knob do?

Back

It is used to make large adjustments to the focus of the microscope.

Front

What is the function of the fine adjustment knob?

Back

It is used for precise focusing of the specimen.

Front

What is the role of the stage in a microscope?

Back

The stage holds the slide in place for observation.

Front

What is the purpose of the iris diaphragm?

Back

To control the amount of light that reaches the specimen.

Front

What is the light source in a microscope?

Back

It illuminates the specimen for better visibility.

Front

What is the function of the base in a microscope?

Back

It provides stability and support for the microscope.