Microscope Parts and Usage

What is the part of the microscope that supports the microscope?

• Revolving Nosepiece

• Base

• Arm

• Stage

Which objective lens has the lowest magnifying power?

• 4/0.10

• 10/0.25

• 160/0.17

• 60/0.17

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

• To adjust the focus

• To hold the slide securely

• To control the amount of light

• To rotate the objective lenses

Which knob is used for making large adjustments to the focus?

• Coarse Focus Knob

• Fine Focus Knob

• Mechanical Stage Knobs

• Rheostat (Light Dimmer)

Where should you place your eye when using a microscope?

• On the revolving nosepiece

• On the stage clips

• On the eyepiece

• On the base

What is the purpose of the fine focus knob in a microscope?

• To adjust the focus

• To hold the slide securely

• To control the amount of light

• To rotate the objective lenses

What are the higher-power objective lenses used for?

• To adjust the focus

• To hold the slide securely

• To control the amount of light

• To magnify the specimen

What is the purpose of the stage clips in a microscope?

• To adjust the focus

• To hold the slide securely

• To control the amount of light

• To rotate the objective lenses

What is the function of the mechanical stage knobs in a microscope?

• To adjust the focus

• To hold the slide securely

• To move the stage along the XY plane

• To rotate the objective lenses

What is the purpose of the rheostat (light dimmer) in a microscope?

• To adjust the focus

• To hold the slide securely

• To control the amount of light

• To rotate the objective lenses