Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
31 Cards in this Set
- Front
- Back
The amount that an object's image is enlarged
|
Magnification
|
|
The extent to which detail in an image is preserved during the magnifying process
|
Resolving power
|
|
Focuses radiation emanating from an object to produce an image
|
A lens
|
|
The degree to which image details stand out agains their background
|
Contrast
|
|
The maximum useful magnification for a light microscope is about
|
1000X
|
|
The two image-forming lenses of a compound light microscope are
|
The objective and the ocular
|
|
Dyes are usually added to sections of biological specimens to increase
|
Contrast
|
|
The distance through which a microscopic specimen can be moved and still have it remain in focus is called the
|
Depth of field
|
|
Which microscope would you use to view a live specimen?
|
Phase contrast microscope
|
|
Which microscope would you use to view dye-stained slide of a bacteria section
|
Light microscope
|
|
Which microscope would you use to view gold-coated bacteria
|
SEM
|
|
Which microscope would you use to view live bacteria on a slide
|
Phase contrast microscope
|
|
Which microscope would you use to view heavy metal-stained, very thin section of bacteria
|
TEM
|
|
Holds a specimen mounted on a glass slide in place suspended over a central opening
|
Stage
|
|
Knob for use with the lower power objectives
|
Focus adjustment knob
|
|
Knob used for critical focusing, especially with higher-power objectives
|
Fine focus adjustment knob
|
|
You will turn the course knob ______ from you to bring the stage closer to the objective lens
|
Away
|
|
Used to vary the intensity of the light
|
Rheostat
|
|
Focuses the light source on the specimen so that each of its points is evenly illuminated
|
Condenser
|
|
The condenser contains what two parts?
|
The condenser lens and the iris diaphragm
|
|
Objective magnifying power of a low-power objective
|
4X
|
|
Objective magnifying power of a medium-power objective
|
10X
|
|
Objective magnifying power of a high-dry objective
|
40X
|
|
Objective magnifying power of a oil-immersion objective
|
100X
|
|
Space between the objective lens and the slide
|
Working distance
|
|
The magnifying lens that you look into
|
Ocular
|
|
Meaning the center of the field of view remains about the same for each objective
|
Parcentral
|
|
The circle of light you see when looking into the microscope
|
Field of view
|
|
Compared to the specimen, images are reflected how?
|
Backwards and upside down
|
|
Moving the specimen to the right moves the image which direction in the microscope?
|
To the left
|
|
Move the specimen away from you and which direction does the image move?
|
Towards you
|