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T he physical properties of light do not allow a greater magnification than 1000× and the smallest object that can be resolved (seen as a separate object) is 2 µm
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Antonie van Leeuwenhoek. Leeuwenhoek was one of the first to observe living microorganisms under a microscope. Credit: "Leeuwenhoek Microscope" by Jeroen Rouwkema is licensed under CC BY-SA 3.0 <span>The physical properties of light do not allow a greater magnification than 1000× and the smallest object that can be resolved (seen as a separate object) is 2 µm Add note . The electron microscope, which uses a beam of electrons focused by magnets to produce a photographic image, came into general use in around 1940. It can differentiate objects


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