What do scanning electron microscopes and transmission electron microscopes have in common? Both generate three-dimensional images. Both offer magnification to the atomic level. Both are used to view the parts of a cell. Both require a vacuum.
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Answer: Both requires a vacuum.
Electron microscopes are the type of microscopes which create an image of the specimen by utilizing a beam of electron. The beam of electrons are emitted by cathod ray tubes and directed towards the specimen by magnetic lenses. The flow of electrons beam in the microscope requires vacuum to reach the specimen and image is created by the emitted electrons.
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In an electron microscope, a beam of electrons from the electron gun emanate and strike a target and the information of the target is derived and stored in computers.
There are a number of differences between the two microscopes but a few similarities and one of it is that they both require a vacuum.
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