Lab Report 3 - Microscope and the Cell

Lab Report 3 - Microscope and the Cell - 1 INETLabReport3

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1   INET Lab Report 3 Microscope and the Cell Template Student:    Email :   Date:    I. Purpose of the Microscope II. The Compound Microscope EXERCISE 3.1  – Label the parts of the compound microscope 1. Eyepiece lens 2. Arm © Access Learning Systems
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2   3. Course adjustment 4. Fine adjustment 5. Objective lens 6. Slide 7. Stage clips 8. Platform 9. Diaphragm 10. Condenser lens 11. In-base alluminator 12. Base  EXERCISE 3.2  – Calculate microscope magnification 1. Calculate the total magnification for each lens combination ( Table 3.1 ). Lens  Lens  Power  Ring  Color  Total Magnification Unaided Eye  1X none  1X x 1X = 1X eyepiece 10X none 1X x 10X = 10X Scanning  4X black 10X   x  4x=40x Low Power  10X green 10X   x  10x=100x High Power  40X  yellow 10X   x  40x=400x Oil Immersion  100X  red 10X   x  100x=1000x Table 3.1 Magnification of each lens III. Viewing Microscope Slides EXERCISE 3.3  – Focusing the microscope EXERCISE 3.4  – Specimen orientation 4. In which direction does the image move? left 5. In which direction does the image move? Towards you What is the relationship between the movement of the image and the object? Moves because you are magnifying it more so it no longer all fits in the original viewing window IV. Microscopic Measurement © Access Learning Systems
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3   EXERCISE 3.5  – Measure the diameter of the field of view 3. Move the plastic ruler to the left side of the field of view until a single millimeter line is centered on the side of the field  of view ( Figure 3.7 ) and measure the diameter of the field of view to the nearest 0.1 mm. 4. How wide is the field of view of the scanning power (40X) in micrometers (µm)?   4.44mm 6. Calculate the size of the diameter of the field of view for each objective lens and record the data.  Remember that  1mm = 1000 µm. Lens 
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Lab Report 3 - Microscope and the Cell - 1 INETLabReport3

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