2nd Quarter-Parts of the Microscope

Use to view the image and contains a lens with 10x magnification.

• objective lens

• eyepiece

• diaphragm

• low-power objective lens

What is the magnification of an oil-immersion objective lens?

• 10x

• 40x

• 60x

• 100x

Which of the following has 40x magnification?

• low-power objective lens

• eyepiece

• high-power objective lens

• oil-immersion objective lens

Which of the following is not a mechanical part of the microscope?

• objective lens

• arm

• base

• stage

The following are magnifying parts of the microscope EXCEPT:

• high-power objective lens

• low-power objective lens

• eyepiece

• diaphragm

This controls the amount of light passing through the opening of the stage.

• mirror

• stage

• diaphragm

• base

This separates the eyepiece lens from the objective lens.

• arm

• body tube

• base

• nosepiece

This is the part to turn to choose the objective lens you want to use

• stage

• coarse adjustment knob

• fine adjustment knob

• nosepiece

The bigger knob used to move the body tube for focusing with the low-power objective lens

• coarse adjustment knob

• fine adjustment knob

• adjusting knob

Holds the slide in place.

• stage

• stage clips

• arm

• body tube