Questions and Answers
What is the main purpose of microscopy?
To get a magnified image of objects too small to be seen with the naked eye
What is the ratio of the size of an object seen under a microscope to the actual size observed with the unaided eye?
Magnification
What is the ability to differentiate two close points as separate?
Resolving power
Which type of microscopy uses electrons to form an image?
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Who constructed the first simple compound microscope in 1590?
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What is the minimum distance between two dots that can be separated by an electron microscope?
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What is the range of magnification power of a light microscope?
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What is the primary function of the ocular lens in a compound light microscope?
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Who built the first Electron Microscope in 1931?
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What is the main source of illumination in an Electron Microscope?
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What is the resolution of images in an Electron Microscope?
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What is the main purpose of a Bright Field Light Microscope?
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What is the purpose of the diopter adjustment in a microscope?
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What is the function of the coarse adjustment in a microscope?
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What is the purpose of the stage clips in a microscope?
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What is the function of the aperture in a microscope?
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What is the purpose of the nosepiece in a microscope?
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What is the function of the fine adjustment in a microscope?
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Who is credited with the development of a simple microscope with a magnification of 200x – 300x?
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What was the breakthrough in technology that increased the magnification of microscopes from about 1000x to 250,000x or more?
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What is the main difference between a simple optical microscope and a compound optical microscope?
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What is the purpose of a stereo microscope?
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What is the term coined by Faber in 1623?
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What does the eyepiece or ocular lens do in a compound optical microscope?
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