Who dovepled electron microscope?
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0
Answer:
Knoll and Ruska in 1931 .
Explanation:
The first prototype electron microscope, capable of four-hundred-power magnification, was developed in 1931 by the physicist Ernst Ruska and the electrical engineer Max Knoll. The apparatus was the first practical demonstration of the principles of electron microscopy.
it was modified further and further and now it is much more powerful than before
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3
Answer :
★ Ernst Ruska
★ Max Knoll
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