Laboratory Instruments and Techniques
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Questions and Answers

Why must laboratory instruments be durable?

  • To provide safety for the user
  • To withstand extreme chemical and physical influences and provide accurate measurement results (correct)
  • To provide accurate measurement results only
  • To withstand extreme chemical influences only
  • What is the definition of a microscope?

  • An instrument using infrared light and magnifying lenses to examine small objects
  • An instrument using ultraviolet light and magnifying lenses to examine small objects
  • An instrument using visible light and magnifying lenses to examine small objects (correct)
  • An instrument using X-rays and magnifying lenses to examine small objects
  • What is the function of an electron microscope?

  • To create an enlarged image of cells and metals using infrared light
  • To create an enlarged image of inorganic specimens using X-rays
  • To create an enlarged image of microorganisms, cells, and large molecules using ultraviolet light
  • To create an enlarged image of microorganisms, cells, large molecules, biopsy samples, and metals using beams of electrons (correct)
  • What does the word 'microscope' mean?

    <p>'Micro' meaning small and 'scope' meaning view</p> Signup and view all the answers

    What are some examples of microorganisms that can be investigated using an electron microscope?

    <p>Cells, large molecules, biopsy samples</p> Signup and view all the answers

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