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Microscopy, optical and electron microscope with ray diagram
The closest distance of separation (i.e. resolution) visible to the human naked eyes is 0.1 mm. Inside details of solids, crystals, unit cells, atoms, electrons, and imperfection demand for visibility of much smaller dimensions. The smaller dimensions may be as small as 1 Angstrom(10 -10 m) or less. These situations need a magnified vision. This is possible through a microscope. Microscopes of various magnification ratio are used according to the need. Their magnification generally varies between 5 to 1000000. Microscopes are broadly classified into following main categories. 1. Optical microscope 2. Electron microscope 3. Field ion microscope 4. Scanning tunneling microscope Here we have listed some magnification and applications of different types of microscopes Type Range of magnification Used in study of Optical microscope 10 to 2000 times linear Microstructure Electron microstructure 100000 times linear...
Word of the day QUEST
QUEST Meaning: A long or arduous search for something Synonyms: search, hunt, pursuit Antonyms: give up, relinquish, surrender, yield Usage: 1) Nobody can stop them in their quest for truth. 2) In his quest for good physical appearance, he spends more than two hours in his workout. 3) Scientists are working hard in their quest for treatment of cancer. 4) The quest for Telangana as a separate state was itself always an aspect of that old unspent rage.
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