Eyepiece graticules and stage micrometers are used to measure cells.
Which is the correct reason why an eyepiece graticule is calibrated?
An eyepiece graticule can be used to make measurements.
2 )
An eyepiece graticule is magnified by the objective lens.
3 )
An eyepiece graticule magnifies the specimen.
4 )
An eyepiece graticule makes comparisons.
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