What is control sample-how is total magnification computed

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Reference no: EM133934967

Questions

1. What is a control sample?

a. A sample of carpet from a separate room or protected area

b. A sample of carpet from the point of origin

c. Both

d. Neither

2. How is total magnification computed?

a. Objective 1 multiplied by objective 2

b. Objective multiplied by first lens

c. Objective multiplied by the eyepiece

d. None of the above

3. A fire triangle includes:

a. Fuel

b. Heat

c. Oxygen

d. All of the above

4. The wave that can injure or kill people from an explosion is called:

a. Blast wave

b. Shock wave

c. Explosive wave

d. Flame wave

5. Which microscope is generally employed first in the examination of trace evidence?

a. Stereo binocular microscope

b. Compound binocular microscope

c. Comparison microscope

d. Stereo compound microscope

6. A sudden, rapid, and often violent release of hot expanding gases is called:

a. A propagation.

b.An explosion

c. A detonation

d. A blast wave

8. What is the condition in which no light emerges when two polarizers are placed so that the privileged directions are perpendicular?

a. Crossed polars

b. Intersecting polars

c. Perpendicular polars

d. Plane directional polars

8. A pipe bomb is often filled with:

a. Gun powder

b. Nitroglycerin

c. Ammonium nitrate

d. TNT

9. What is the term for the halo or brightness that enters into the material of greater RI?

a. Michel line

b. Becke line

c. Levy line

d. None of the above

10. What is the most common container used to collect fire debris evidence?

a. Aluminum foil

b. Paper bag

c. An unlined paint can

d. Plastic bag

Reference no: EM133934967

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