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An electron microscope can only operate inside a vacuum chamber. A good vacuum, needed so that electrons do not collide with air molecules or dirt before reaching the sample and the detector coming back, would be 1e-7 Torr or below. Your sample (the object of interest) has to be small enough to be mounted on a pedestal, which is inserted into chamber where the electron beam will be. The pedestal has to have multiple degrees of freedom so the e-beam can interrogate at various angle and position. The last requirement would be that your sample does not charge up too easily, which will distort the image. Charging can be lessened with a flash of gold.

Hence, if your sample meets the requirements listed, you should be able to see its image on a monitor just as clearly as you see an object of a much larger scale, with an optical microscope. Any items that are detrimental to a vacuum formation (moist, spongy materials, for example) should probably be avoided. From an electron microscope, I have seen something as big as the compound eyes of a fly or a feature as small as 1 nm.

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Q: What can you see under a electron microscope?
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Can really be an electron seen under microscope?

only under an electron microscope wiki it


What type of microscope would you need to see detailed images of an internal structure of a bacterium a light microscope or an electron microscope?

Bacteria are generally very small - so you would need an electron microscope to see them in any detail. Under a light microscope you would probably only be able to see the overall shape.


What can be seen under a electron microscope but not a light microscope?

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Which tool allows scientist to see atoms on the surface of a metal?

electron microscope owais.khaforu@yahoo.com


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What do you use a electron microscope for?

To see atoms or other extremely small things that you can not see in a light microscope. Even with an electron microscope, atoms are still barely visible.


Would you use a stereomicroscope or compound light microscope or electron microscope to see a virus?

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