Microscope Flashcards
What is the main purpose of a microscope?
To magnify small objects for detailed observation.
True or False: The eyepiece is also known as the ocular lens.
True
Fill in the blank: The _______ is used to adjust the amount of light that reaches the specimen.
diaphragm
What part of the microscope holds the objective lenses?
nosepiece
Which part of the microscope is responsible for focusing the image?
the objective lens
Multiple Choice: Which of the following is NOT a part of a microscope? A) Stage B) Objective Lens C) Eyelid D) Coarse Adjustment
C) Eyelid
What is the function of the stage in a microscope?
To hold the slide in place for observation.
True or False: The coarse adjustment knob is used for fine focusing.
False
What is the power of the typical low-power objective lens?
10x
Fill in the blank: The _______ allows for the adjustment of the microscope’s focus.
focus knob
Multiple Choice: Which lens has the highest magnification power? A) 4x B) 10x C) 40x D) 100x
D) 100x
What is the purpose of the base of the microscope?
To provide stability and support for the microscope.
True or False: The light source can be either built-in or external.
True
What part of the microscope is used to hold and manipulate the slide?
stage clips
Fill in the blank: The _______ is a series of lenses that magnifies the specimen.
optical system
What is the function of the condenser in a microscope?
To focus light onto the specimen.
Multiple Choice: The part of the microscope that adjusts the light intensity is called the: A) Diaphragm B) Stage C) Base D) Arm
A) Diaphragm
What is the role of the arm in a microscope?
To support the tube and connect it to the base.
True or False: The fine adjustment knob moves the stage a larger distance compared to the coarse adjustment knob.
False
Fill in the blank: The _______ is used to change the objective lenses.
nosepiece
What is the typical magnification power of the high-power objective lens?
40x
What part of the microscope is designed to hold the light source?
substage light or mirror
True or False: The stage can be moved up and down to change the distance to the objective lens.
True
What is the purpose of the revolving nosepiece?
To allow the user to switch between different objective lenses.
Fill in the blank: The _______ provides a platform for the specimen slide.
stage
What is the typical function of the light microscope?
To use visible light to illuminate the specimen.