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Exam (elaborations)

SCI 220 EXAM 3 QUESTIONS WITH COMPLETE ANSWERS

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SCI 220 EXAM 3 QUESTIONS WITH COMPLETE ANSWERS

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What should your shutter speed be set at for PWL?


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-Bulb




What are the three categories of shooting incidents?

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-Justified
-accidental
-negligent




What should you do if tools cannot be moved out of an autopsy picture?


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Clean the tools, and make sure they are neatly placed.




What are the five stages of reconstruction?


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1.Data collection: all info is reviewed, organized, & studied
2.Conjecture: several possible explanations are examined
3.Hypothesis formation: using evidence to reach an educated guess
4.Testing: examine testing, perform more controlled
testing/experimentation
5.Theory formation: if hypothesis is confirmed, it is a plausible theory




When photographing blood transfer patterns you need to be aware that blood
reflects light. How do you avoid this issue?


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, Hold the detachable flash at a 45 degree angle.




Observing an elliptical bullet defect at a crime scene in comparison to a circular one
provides what information?


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-Circular defects: when the bullet strike perpendicular to the surface
-Elliptical defects: bullet strike at acute angle




What are two ways to visualize a laser light for bullet path trajectory photography?


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-Particle spray/fog
-Walking the laser




For flash sync speed, what type of light, at a moving target, captures a "ghost"?


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-Ambient light




Name two of the five different categories forensic evidence can fall into.


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