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concave & convex

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Magnetic fields

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Uses a fluroscent Screen.

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electromagentic lenses

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Electrons.

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Q: How is an electron beam focused?
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Related questions

What is electron beam lithography and how it work?

Electron beam lithography uses a focused beam of electrons to draw images on electron sensitive film. The beam changes the solubility of the film allowing the desired part to be removed by putting it in a solvent.


The dots on a crt are lit up when photon torpedoes strike the phosphorous coating on the inside of the tube?

No. It is when the coating is hit by electrons in a focused electron beam.


Electron microscopes use a beam of light to produce a magnified image.?

It uses electron beam


What focuses the electron beam in a scanning electron microscope?

Electromagnets


What are cathode rays also known as?

Electron beam or e-beam


Which microscope do not use a beam of light?

Electron Microscope


Why is the size of a laser or electron beam measured in milliradians?

The size of a laser or electron beam is measured in milliradians. This is because they are subject to divergence.


Electron microscopes use a beam of light to produce a magnified image?

An Electron Microscope uses electrons to magnify objects.


What is a electron beam monitor?

solor panel


How is the electron beam in a TV picture tube deflected?

four coils are used to create a magnetic field to deflect the electron beam in two dimensions.


What is apart of an electron microscope?

Detector Condensing lenses Ocular lens Electron beam


How does magnification occur in an electron microscope?

An electron beam makes the object become larger.