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ZohaibAsad
ZohaibAsad
Eye piece graticule calibration is 2.5 microns. The nucleus is about 8 units. 8 x 2.5 microns is 20 microns which is nearest to 25 microns hence C is the answer. The scale with the 100 divisions is the eye piece graticule.
scarface007
scarface007
how is it 2.5 microns?
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