Question

Electron microscopes use
1) glass lenses
2) electromagnets
3) mechanical stages
4) laser beams
to focus the electron beam.

Answer 1

Final answer:

Electron microscopes use magnets for focusing, providing high magnification and resolving power compared to light microscopes.

Explanation:

Electron microscopes use magnets to focus electron beams, providing higher magnification and resolving power than light microscopes. The method to prepare specimens for electron microscopy kills them, and living cells cannot be viewed due to electrons moving best in a vacuum.

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