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Questions and Answers
What was the result of Z.Janssen and his son Hans' experiment with lenses in a tube?
Who is credited with making a much better instrument with a focusing device?
What achievement is attributed to Anton van Leeuwenhoek?
Who reconfirmed Anton van Leeuwenhoek's discoveries of the existence of tiny living organisms in a drop of water?
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When did several European countries begin to manufacture fine optical equipment?
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What is the maximum magnification of present day instruments with blue light?
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What is the limitation of a light microscope?
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What is the purpose of the condenser lens in a microscope?
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Where is the real image formed in a microscope?
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What is the total magnification of a microscope?
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What is the purpose of the ocular lens in a microscope?
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Why do scientists need to bypass light altogether to see tiny particles under a microscope?
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