NURSING EXAM QUESTIONS
MICROBIOLOGY
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Robert Hooke
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Anton Van Leeuwenhoek
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Hans and Zacharias Janssen
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Ernst Ruska
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Detailed explanation-1: -A Dutch father-son team named Hans and Zacharias Janssen invented the first so-called compound microscope in the late 16th century when they discovered that, if they put a lens at the top and bottom of a tube and looked through it, objects on the other end became magnified.
Detailed explanation-2: -Three Dutch spectacle makers Hans Jansen, his son Zacharias Jansen, and Hans Lippershey has first developed a compound microscope in 1590 using two lenses to observe maximum magnification.
Detailed explanation-3: -Invention of the Microscope Over four hundred years ago, two Dutch spectacle makers, Zacharias Janssen and his son Hans, were experimenting with several lenses in a tube. They discovered that nearby objects appeared greatly enlarged, or magnified. This was the forerunner of the compound microscope and of the telescope.