CY110_ Forensic Science Chapter 7 Quiz
Question 1
0 / 10 pts
_________ are used to focus the SEM (scanning electron microscope).
Analyzers
You Answered
Lenses
Polarizers
Correct Answer
Magnets
Diffraction gratings
Question 2
10 / 10 pts
In order to examine an opaque object with a compound microscope, one must:
use transmitted illumination.
light the object from beneath the stage.
Correct!
use reflected illumination.
stain the object before viewing it.
use infrared analysis.
Question 3
0 / 10 pts
Which microscope is most likely to be used as a tool for determining whether a suspect has recently fired a gun?
You Answered
comparison
polarizing
Correct Answer
SEM
stereoscopic
compound
Question 4
10 / 10 pts
A parfocal microscope:
eliminates the need to stain the specimen to be viewed.
has two ocular lenses.
requires a polarized light source.
Correct!
allows for ease of focusing when switching from low to high power.
requires the use of a fluorescent light source.
Question 5
10 / 10 pts
Richard Bruno Hauptmann was convicted of the kidnap and murder of the Lindbergh child in part on the basis of optical examination of:
GSR (gunshot residue).
Correct!
wood.
hair.
fibers.
soil.
Question 6
10 / 10 pts
As the magnification of the compound microscope is increased, the field of view:
Correct!
decreases.
remains the same.
increases.
Question 7
10 / 10 pts
A compound microscope is equipped with two objectives lenses (10x and 45x) and has a 10x ocular lens. The highest magnification attainable with this instrument is:
65x.
100x.
650x.
Correct!
450x.
4500x.
Question 8
10 / 10 pts
The microscope that provides the highest resolution and greatest depth of focus is the:
Correct!
SEM.
comparison.
compound.
stereoscopic.
polarizing.
Question 9
10 / 10 pts
Which microscope provides a right-side-up image?
comparison
Correct!
stereoscopic
compound
polarizing
microspectrophotometer
Question 10
10 / 10 pts
In the design of a polarizing microscope, the polarizer is placed between the:
specimen and the analyzer.
analyzer and the eyepiece.
Correct!
light source and the sample stage.
sample stage and the analyzer.
specimen and the sample stage.
Quiz Score: 80 out of 100
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