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An object extends halfway across the field of view. The field diameter for the oil-immersion objective...

An object extends halfway across the field of view. The field diameter for the oil-immersion objective is 0.5 mm. Estimate the size of the object in micrometers (μm).

25 μm
50 μm
250 μm
500 μm
2500 μm
0 0
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Answer #1

Field diameter in oil immersion =0.5 mm

Object extends only half way =0.5/2=0.25mm

We know that 1mm= 1000 micrometre

So 0.25mm = 250 micrometre

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