Light Microscope Components
A Grade 12 science worksheet covering the essential parts and functions of a light microscope, including identification, true/false, and short answer questions.
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Standards
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Light Microscope Components
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Read each question carefully and provide your best answer. Refer to the diagram of the light microscope when necessary.
Study the diagram of a light microscope below:
1. Which part of the microscope regulates the amount of light passing through the specimen?
Eyepiece
Diaphragm
Objective lens
Stage
2. Which of the following lenses is responsible for the initial magnification of the specimen?
Eyepiece lens
Condenser lens
Objective lens
Light source
1. The coarse adjustment knob should be used with the high power objective lens for fine focusing.
True
False
2. The revolving nosepiece holds the eyepiece lenses and allows for easy switching between them.
True
False
1. The is the platform where the microscope slide is placed for viewing.
2. To increase the brightness of the field of view, you would adjust the or the condenser.
1. Describe the primary function of the fine adjustment knob.
2. Explain why it is important to always start viewing a specimen under the lowest power objective lens.