Microscopes

Multiple Choice

Which of the following best describes how a compound light microscope works?

• It uses a single lens to magnify objects.

• It uses two lenses to magnify the image, passing light through a sample.

• It uses mirrors to reflect light onto the sample.

• It uses only natural light to view the sample.

Multiple Choice

Which part of the microscope is also known as the ocular lens and is used to view the specimen?

• Eyepiece

• Objective lens

• Stage

• Base

Multiple Choice

What is the function of the revolving nosepiece on a microscope?

• To rotate and change between different objective lenses

• To support the microscope

• To adjust the amount of light

• To hold the slide

Open Ended

What is the function of the stage?

Fill in the Blanks

The part of the microscope that supports the entire structure is called the

.

Multiple Choice

Which part of the microscope holds the slide in place for viewing?

• Stage clips

• Light source

• Coarse adjustment knob

• Objective lens

Multiple Select

Which of the following statement(s) about the adjustment knobs on a microscope are correct?

• The fine adjustment knob fine tunes the focus.

• The coarse adjustment knob moves the stage up and down.

• The coarse adjustment knob is used with all objective lenses.

• The fine adjustment knob is used only with low and medium objective lenses.

Fill in the Blanks

The total magnification of a microscope is calculated by multiplying the magnification of the objective lens by the magnification of the

.