(Answered) Problem figure is a stained transverse section through part

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Problem: Figure is a stained transverse section through part of the stem of a different plant species. You are not expected to be familiar with this specimen.

1095_stained transverse section.jpg

A student calibrated the eyepiece gratitude in a light microscope using a stage micrometer scale so that the actual length of the vascular bundle could be found.

The calibration was: one eyepiece graticule division equal to 11μm.

Figure shows a photomicrograph taken using the same microscope with the same lenses as the student.

Use the calibration of the eyepiece graticule division and figure to calculate the actual length of the vascular bundle, shown by line Y.

You may marks if you do not show all the steps in your working and do not use appropriate units

What do they mean by one eyepiece graticule division = 11um and which one is the eyepiece graticule and how to find the answer?

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