LAB REPORT MICROSCOPY

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City Colleges of Chicago, Harold Washington College *

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114

Subject

Electrical Engineering

Date

Apr 3, 2024

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pdf

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Uploaded by DrFog10058

LAB REPORT: MICROSCOPY Name¢ ' Date i Section DATA Procedure A: The Compound Microscope Determine the total magnification calculation when using each objective lens for the microscope Ocular Lens X Objective Lens Total Magnification Magnification Magnification 10 . Lowest Power Low Power ! s High Power o g\_ _i‘ig‘_ Procedure B: Metric Ruler Fill in the blanks and when appropriate, circle the correct answer A Measurement of low power (100X) field diameter in mm: L ')\‘)‘(\ X Measurement of high power (400X) field diameter in mm: | H’T [i4) Under 400X the ruler looks the same /larger / smaller than under 100X. Under 400X the you see more / less / the same amount of the ruler as you see under 100X.

Procedure C: Letter “¢ Letter “e” 400X magnification 1. The image moves from Right / G; / 2. The image of the “e” in the microscope filed compared to the “e” image with the naked eye Is a———N The same backwards right side up @de-down Procedure D: Colored Threads Identify the position of each colored thread _1’,7&5(‘_ e V¢ Top Middle Bottom Using the correct colors, draw the image of threads under the microscope (use colored pencils)

QUESTIONS 1 How do you carry a microscope? ‘ 5 2. What s the magnification of the eyepiece? " Why is there an X after each power, like 4X or 100X? IS }( N ;)\"\l"‘u-:lx‘,,’yl\ l‘:\JH\‘;‘ How do you prevent a slide from falling off the stage? ?: L\ WS s Which adjustment knob is used for first focusini? ’Ef\\;, (¢ '}’(i(, 0, U\J_g% rl\U\ Which adjustment knob is used for sharpening? TV (.ﬂfi O(UU’:}TM(\ . | % What is the function of the diaphragm? \ Y\ - 1.1 W0 oot Ur WY | I\ Nnadyus (\l, /A(NU { v \ — ( \ We Speamen, What power must be in place when you first place a slide on the microscope stage? Quidened an and plugged N Increasing magnification decreases field of view. Therefore, which magnification power will have the smallest field of view? Circle the correct answer. 10X B. 40X G 100X D. 400X 25

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