Exploring the Compound Microscope

Which part of a compound microscope is used to adjust the focus by moving the stage up and down?

• Eyepiece

• Coarse adjustment knob

• Objective lens

• Diaphragm

What is the function of the diaphragm in a compound microscope?

• To magnify the image

• To adjust the amount of light passing through the specimen

• To hold the slide in place

• To focus the image

How is the total magnification of a compound microscope calculated?

• Add the magnification of the eyepiece and the objective lens.

• Multiply the magnification of the eyepiece by the magnification of the objective lens.

• Subtract the magnification of the objective lens from the eyepiece.

• Divide the magnification of the eyepiece by the objective lens.

Which part of a microscope holds the objective lenses and can be rotated to change magnification?

• Stage

• Nosepiece

• Arm

• Base

What is the correct way to carry a microscope?

• By the eyepiece

• By the base and arm

• By the objective lens

• By the stage

Who is credited with inventing the first compound microscope?

• Anton van Leeuwenhoek

• Robert Hooke

• Zacharias Janssen

• Galileo Galilei

Which part of the microscope is used to view the specimen?

• Objective lens

• Eyepiece

• Stage

• Condenser

What should you do if the image appears blurry when using a microscope?

• Adjust the diaphragm

• Change the objective lens

• Use the fine adjustment knob

• Increase the light intensity

Which advancement allowed microscopes to achieve higher magnification and better resolution?

• The invention of the electron microscope

• The use of glass lenses

• The development of the light microscope

• The addition of a mirror