Supplementary Problems:Problem 1: At a magnification of 40x, a student measured 41 ocular micrometer divisionsper millimeter. What is the distance, in micrometers, per ocular unit at 40x?Problem 2: At a total magnification of 100x, a student measures 16.4 ocular micrometerdivisions per millimeter. What is the distance, in micrometers, per ocular unit at 100x?Problem 3: At a total magnification of 400x, a student measures 4.1 ocular micrometerdivisions per millimeter. What is the distance, in micrometers, per ocular unit at 400x?Problem 4: Notice the pattern in the above 3 problems. What do you think the distance inmicrometers per ocular unit at 1000x would be?Problem 5: It was found that the units on the ocular micrometer and the units on the stagemicrometer matched up 40 units to 1.0 mm at 100 power. (So 40 ocular units equals 1.0mm.) If the wing of a dead fruit fly was measured to be 2.5 ocular micrometer units at amagnification of 100, what is the length of the wing in mm? What does mm stand for?

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Biomedical Instrumentation Systems

1st Edition

ISBN:9781133478294

Author:Chatterjee

Publisher:Chatterjee

Chapter16: Fiber Optics And Lasers In Bioinstrumentation

Section: Chapter Questions

Problem 8P

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TRUE or FALSE only! 1. Problem: Calibrating ocular micrometer using the stage micrometer under the low power objective. Given: OD=27 SD=8 Each space on the stage micrometer=0.0001 inch Based on the given values, the ODV is equal to 0.753 2. Problem: Calibrating ocular micrometer using the stage micrometer under the low power objective. Given: OD=27 SD=8 Each space on the stage micrometer=0.0001 inch Based on the given values, the SDV is equal to 3.54 3. Inoculation chambers can be used in transferring bacterial culture while laminar flow cabinet can be used as permanent storage for biological samples.
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Practice problems: Do on folder paper. 1. You are observing a cell; total magnification 100X. It looks like about 7 cells will fit across the field of view's diameter. How large is this cell? Explain. 2. For the 2nd specimen, you are using a total magnification of 400X. It's harder to estimate this time, so you approximated that 12 cells would fit across the radius. Explain how you would find out the size of one cell.
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[QUESTION EDIT REUPLOAD] What is the diameter of the field of view (DFV) of a 40x objective lens in the DFV of a 10x objective lens is 3mm? express your answer in micra Use the formula: M1 * DFV1= M2*DFV2

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