Microscope Parts Overview

What is the function of the body tube in a microscope?

• To adjust the light intensity

• To hold the objective and ocular lenses at the correct distance

• To support the microscope

• To hold the slide in place

Which part of the microscope can be turned to increase magnification?

• Body tube

• Stage clips

• Revolving nose piece

• Diaphragm

What is the purpose of the diaphragm in a microscope?

• To support the microscope

• To magnify the specimen

• To hold the slide in place

• To control the amount of light reaching the specimen

Which part of the microscope should never be used with the highest magnification?

• Light source

• Coarse adjustment knob

• Stage clips

• Fine adjustment knob

How do you calculate the total magnification of a microscope?

• Add the magnification of the ocular lens and objective lens

• Subtract the magnification of the objective lens from the magnification of the ocular lens

• Divide the magnification of the ocular lens by the magnification of the objective lens

• Multiply the magnification of the ocular lens by the magnification of the objective lens

If the ocular lens is 10x and the objective lens is 40x, what is the total magnification?

• 50x

• 400x

• 100x

• 10x

What is the first step when using a microscope?

• Adjust the coarse adjustment knob

• Start on the lowest magnification

• Place the slide on the stage

• Start on the highest magnification

Which knob should be used for fine focusing?

• Stage adjustment knob

• Fine adjustment knob

• Light adjustment knob

• Coarse adjustment knob

How should you carry a microscope?

• With one hand on the base

• With one hand on the arm

• With two hands, one on the arm and one under the base

• With two hands, one on the stage and one on the base

What should you use to clean the microscope?

• A rough cloth

• A soft cloth or tissue

• A wet cloth

• A paper towel