Have an account?
Skip to Content
Build your own quiz
Suggestions for you
25 questions
Show Answers
See Preview
- 1. Multiple Choice
What is the main ingredient in ordinary glass?
(a) soda
(b) lime
(c) metal oxides
(d) sand or silica
- 2. Multiple ChoiceWhen a bullet penetrates a panel of glass, it leaves a crater shaped hole thatis wider on the entrance sideis smaller on the entrance sideForms randomlyBoth B & C
- 3. Multiple ChoiceThe fracture pattern of glass usually hasRadial and concentric linesConcentric linesRadial linesDirectional lines
- 4. Multiple Choice
In reference to the diagram, line 1 is known as __________, and line 2 is known as ___________.Radial and concentricRadial and directionalConcentric and directionalConcentric and Radial - 5. Multiple ChoiceBending of light waves as they change velocity is called:reflectionmirroringrefractiontransversing
- 6. Multiple ChoiceThe bright halo that appears near the border of a glass particle that is immersed in a liquid of a different refractive index is called the:border linerefractive lineBecke lineimmersion line
- 7. Multiple ChoiceA crack in glass that moves outward from the point of impact like spokes on a wheel is called a:compound fractureconcentric fracturespoke fractureradial fracture
- 8. Multiple ChoiceWhich of these is part of using the 3R rule to determine the direction of impact?radial crackright anglereverse side of forceall of these
- 9. Multiple ChoiceWhich glass break was made first?AB
- 10. Multiple ChoiceWhat will NOT be visible if a glass and a liquid has the same refractive index?Conchoidal LinesBecke LinesFracture LinesRadial Lines
- 11. Multiple ChoiceWhat type of fracture forms on the same side as the impact?RadialBeckeConcentricConchodial
- 12. Multiple ChoiceA high-velocity projectile, such as a bullet, will often leave a round, crater-shaped hole that is surrounded by a nearly symmetrical pattern of radial and concentric cracksTrueFalseMaybe
- 13. Multiple ChoiceA fracture in glass always terminates at an existing line of fractureTrueFalseMaybe
- 14. Multiple ChoiceThe examination of physical evidence, such as glass, may serve to prove the guilt of an individual but has limited ability in exonerating an innocent individual.TrueFalseMaybe
- 15. Multiple ChoiceThe collection process will usually start with the collection of the most fragile or most easily lost evidence.TrueFalseMaybe
- 16. Multiple Choice
Glass fragment comparison is the comparison of two or more glass fragments in an attempt to determine if they originated from different sources.
True
False
Maybe
- 17. Multiple ChoiceIf the density of a solid is greater than the liquid medium in which it is immersed, the object will:floatsuspend in the mediumsinklose density
- 18. Multiple ChoiceIn examining the stress marks on the edge of a radial crack near the point of impact, the perpendicular end is always found to be:located on the same side from which the force of impact was appliedlocated parallel to the cracke from which the force of impact was appliedlocated at a 90 degree angle from which the force of impact was appliedlocated opposite the side from which the forece of impact was applied
- 19. Multiple ChoiceA significant difference in either density or refractive index proves that the glasses examined do not have a common _________colororiginshape
- 20. Multiple ChoiceAll glass at the crime scene should bethrown awaycollectedcrushedburnt
- 21. Multiple Choice
Water Displacement is
used to determine a glass fragment's refractive index
used to determine a glass fragment's density
used to analyzed the radial and concentric fracture patterns in glass
- 22. Multiple Choicemeasurement of how much matter is in an objectmassforceweightdensity
- 23. Multiple Choice
A physical property of matter that is equivalent to the mass divided by the volume of a substance.
mass
weight
density
force
- 24. Multiple Choice
The size of the piece of glass changes the density.
TRUE
FALSE
- 25. Multiple ChoiceBecause glass is a solid with random arrangement of motionless atoms, it is called:plasmaobtuseamorphousfrozen
- Answer choicesTagsAnswer choicesTags