Biology 9700 · AS & A Level · The microscope in cell studies

The microscope in cell studies — practice question

On an electron micrograph, a scale bar measuring 2 cm corresponds to a real length of 1 μm. What is the magnification of the electron micrograph?

  • A\times200
  • B\times2000
  • C\times20000
  • D\times200000

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