A compound microscope has an ocular micrometer calibrated to 12μm for each observable division in its scale. The widest part of an ellipsoidal microorganism observed under 4x magnification spans to the 18th division on the ocular microscope. What is the actual size of the microorganism? 12 μm 18 um 72 μm 180 μm 216 μm

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Chapter1: Chemical Foundations
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A compound microscope has an ocular micrometer calibrated to 12μm for each observable division in its scale.
The widest part of an ellipsoidal microorganism observed under 4x magnification spans to the 18th division on the ocular microscope. What is the actual size of the
microorganism?
12 μm
18 um
72 μm
180 µm
O216 μm
QUESTION 4
Q When viewed using the scanning objective lens (4x magnification), the field of view diameter measures 5.25mm across. What is the field of view diameter (in μm) when viewed
under the highest power objective lens (100x)?
210 μm
O131,250 μm
7.62x10-6 μm
4.76x10-3 μm
4.76x10-3 μm
Transcribed Image Text:A compound microscope has an ocular micrometer calibrated to 12μm for each observable division in its scale. The widest part of an ellipsoidal microorganism observed under 4x magnification spans to the 18th division on the ocular microscope. What is the actual size of the microorganism? 12 μm 18 um 72 μm 180 µm O216 μm QUESTION 4 Q When viewed using the scanning objective lens (4x magnification), the field of view diameter measures 5.25mm across. What is the field of view diameter (in μm) when viewed under the highest power objective lens (100x)? 210 μm O131,250 μm 7.62x10-6 μm 4.76x10-3 μm 4.76x10-3 μm
Will the entire organism described in question 3 be observable under the highest power magnification (100x)? Provide a justification for your answer.
OYes, because the field of view diameter at 100x magnification is less than the diameter of the organism
O No, because the field of view diameter at 100x magnification is less than the diameter of the organism
Yes, because the field of view diameter at 100x magnification is greater than the diameter of the organism
O No, because the field of view diameter at 100x magnification is greater than the diameter of the organism
Transcribed Image Text:Will the entire organism described in question 3 be observable under the highest power magnification (100x)? Provide a justification for your answer. OYes, because the field of view diameter at 100x magnification is less than the diameter of the organism O No, because the field of view diameter at 100x magnification is less than the diameter of the organism Yes, because the field of view diameter at 100x magnification is greater than the diameter of the organism O No, because the field of view diameter at 100x magnification is greater than the diameter of the organism
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