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An intro question about the magnification factor of an SEM

  1. Jan 26, 2009 #1
    An intro question about the "magnification factor" of an SEM

    A scanning electron micrograph of xylem vessels in a corn root shows the vessels magnified by a factor of 600.?
    In the micrograph the xylem vessel is 7.0 cm in diameter.
    (a) What is the diameter of the vessel itself?
    (b) By what factor has the cross-sectional area of the vessel been increased in the micrograph?

    I calculated that A) is 1.2e-2, but was incorrect. Not sure if it's the notation that I'm using. Also, confused on B.

    I'd like to point out that there are absolutely NO example problems of anything similar in the text. Frustrating
     
  2. jcsd
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