Questions and Answers
What does the body tube do?
Keeps correct distance between eyepiece and lens
What is the function of the revolving nosepiece?
What is the total magnification provided by the low power objective?
40
What total magnification does the medium power objective provide?
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What is the function of stage clips?
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What does the diaphragm control?
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What does the light source do?
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What is the role of the ocular lens?
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What supports the body tube of the microscope?
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What does the stage do?
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What is the purpose of the coarse adjustment knob?
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What does the fine adjustment knob do?
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What does the base do?
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Study Notes
Parts of the Microscope
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Body Tube
- Maintains the proper distance between the eyepiece and objectives to ensure correct viewing.
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Revolving Nosepiece
- Contains slots for high and low power objectives; allows easy switching between different magnifications.
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Low Power Objective
- Typically magnifies objects at 4x; combined with the ocular lens, the total magnification reaches 40x.
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Medium Power Objective
- Provides a magnification of approximately 10x; achieving a total magnification of 100x when combined with the ocular lens.
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High Power Objective
- Magnifies at about 40x; resulting in a total magnification of 400x when paired with the eyepiece.
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Stage Clips
- Securely hold a slide in place for observation, preventing accidental movement.
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Diaphragm
- Regulates the amount of light that enters the body tube, enhancing image clarity and contrast.
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Light Source
- Illuminates the specimen by directing light upward through the diaphragm for optimal viewing.
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Ocular Lens (Eyepiece)
- Contains the magnifying lens through which users view the specimen, usually providing a standard magnification of 10x.
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Arm
- Provides structural support to the body tube, connecting it to the base for stability.
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Stage
- A horizontal platform that securely holds slides, allowing for easy manipulation and viewing.
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Coarse Adjustment Knob
- Moves the body tube quickly for initial focusing on the specimen, allowing significant vertical movement.
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Fine Adjustment Knob
- Provides precise control for slight adjustments, enhancing image sharpness for detailed viewing.
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Base
- The foundation of the microscope, providing overall support and stability during use.
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Description
Test your knowledge of the various parts of a microscope with this quiz. Each question includes a label and definition, helping you to learn their functions. Perfect for biology students or anyone interested in microscopy.
