Microscope

What is the function of the eyepiece in a microscope?

• To adjust the focus

• To clean the lens

• To change the light intensity

• To magnify the image

Name one part of a microscope that controls the amount of light passing through the specimen.

• Stage

• Mirror

• Lens

• Diaphragm

What is the total magnification when using a microscope with an eyepiece magnification of 10x and an objective lens magnification of 40x?

• 50x

• 400x

• 100x

• 200x

Which part of a microscope is used to adjust the focus on the specimen when a higher powered lens is being used?

• Zoom button

• Coarse adjustment knob

• Light intensity dial

• Fine adjustment knob

Explain the role of the diaphragm in a microscope.

• The diaphragm changes the color of the light passing through the specimen in a microscope.

• The diaphragm focuses the image in a microscope.

• The diaphragm controls the amount of light passing through the specimen in a microscope.

• The diaphragm adjusts the magnification level in a microscope.

If a microscope has an eyepiece magnification of 10x and an objective lens magnification of 20x, what is the total magnification?

• 35x

• 100x

• 300x

• 200x

What is the purpose of the stage in a microscope?

• To clean the lenses of the microscope

• To adjust the magnification level

• To provide lighting for the specimen

• To hold the specimen in place and allow for precise movement and observation.

What part of the microscope do you use to carry the microscope?

• Arm

• Body

• Arm and Body

• Arm and Base