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Exam 8: The Microscope

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Question 51

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Describe the best process to analyze and attempt to identify the chemical components of fiber and paint evidence.

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(should include points such as):
The inf...

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Question 52

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A ________ microscope is used to make side-by-side comparisons of specimens.

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Question 53

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Light confined to a single plane of vibration is said to be ________.

Transmitted illumination can be used only with specimens that are transparent.

The SEM produces an image that is stereoscopic in appearance.

As the magnification of the compound microscope is increased, the field of view:

Pollen and spores can be used to provide links between a crime scene and a person or object.

Which microscope provides the highest resolution and greatest depth of focus?

If crystals of unknown origin are viewed under a polarizing microscope and appear dark, what can be concluded about the crystals?

The pattern of the pollen grain surface is called:

Match the word in Column 1 to its definition in Column 2. Each answer can only be used once. A)Size of the specimen area being observed B)Provides a simultaneous view of two specimens C)Space between the specimen and objective lens D)Illumination required to view a transparent object E)Illumination of a specimen from above F)The thickness of a specimen in focus G)Eyepiece multiplied by objective lens H)The image seen through a compound microscope I)The lower lens of a microscope positioned directly over the specimen J)Presents a distinctive three-dimensional image K)Used to examine birefringent materials L)Image formed by the actual convergence of light rays on a screen -Real image

Which microscope is best suited to the study of birefringent minerals and fibers?

Palynology is the study of:

Which microscope has the largest potential working distance?

The ________ microscope presents a three-dimensional image of an object.

The microscope examination of a bullet requires:

When using a compound microscope, the areas above and below the depth of focus are best viewed by adjusting the:

How can a scanning electron microscope be used to identify the elements present in a specimen?

Match the word in Column 1 to its definition in Column 2. Each answer can only be used once. A)Size of the specimen area being observed B)Provides a simultaneous view of two specimens C)Space between the specimen and objective lens D)Illumination required to view a transparent object E)Illumination of a specimen from above F)The thickness of a specimen in focus G)Eyepiece multiplied by objective lens H)The image seen through a compound microscope I)The lower lens of a microscope positioned directly over the specimen J)Presents a distinctive three-dimensional image K)Used to examine birefringent materials L)Image formed by the actual convergence of light rays on a screen -Vertical illumination

Match the word in Column 1 to its definition in Column 2. Each answer can only be used once. A)Size of the specimen area being observed B)Provides a simultaneous view of two specimens C)Space between the specimen and objective lens D)Illumination required to view a transparent object E)Illumination of a specimen from above F)The thickness of a specimen in focus G)Eyepiece multiplied by objective lens H)The image seen through a compound microscope I)The lower lens of a microscope positioned directly over the specimen J)Presents a distinctive three-dimensional image K)Used to examine birefringent materials L)Image formed by the actual convergence of light rays on a screen -Magnification