Question 1

________ are used to focus the SEM (scanning electron microscope).

Accepted Answer

A)  Polarizers 
B)  Magnets 
C)  Lenses 
D)  Diffraction gratings 
E)  Analyzers 
A)  Polarizers 
B)  Magnets 
C)  Lenses 
D)  Diffraction gratings 
E)  Analyzers B

Question 2

A type of image that cannot be viewed directly is called a(n) ___________ image.

Accepted Answer

A)  illusory 
B)  real 
C)  imaginary 
D)  virtual 
E)  reflected 
A)  illusory 
B)  real 
C)  imaginary 
D)  virtual 
E)  reflected D

Question 3

The major advantages of the SEM image include all of the following except:

Accepted Answer

A)  high resolution 
B)  high reproducibility 
C)  great depth of focus 
D)  high magnification 
E)  none of the above 
A)  high resolution 
B)  high reproducibility 
C)  great depth of focus 
D)  high magnification 
E)  none of the above B

Question 4

The condenser of a compound microscope is located:

Accepted Answer

A)  beneath the stage. 
B)  between the coarse and fine adjustments. 
C)  within the body tube. 
D)  at the base. 
E)  in the eyepiece. 
A)  beneath the stage. 
B)  between the coarse and fine adjustments. 
C)  within the body tube. 
D)  at the base. 
E)  in the eyepiece.

Question 5

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

Accepted Answer

A)  eyepiece lens. 
B)  intensity of the illumination. 
C)  fine or coarse adjustment. 
D)  objective lens. 
E)  numerical aperture. 
A)  eyepiece lens. 
B)  intensity of the illumination. 
C)  fine or coarse adjustment. 
D)  objective lens. 
E)  numerical aperture.

Question 6

The size of the specimen area in view is known as the:

Accepted Answer

A)  objective 
B)  depth of field 
C)  stage size 
D)  field of view 
E)  none of the above 
A)  objective 
B)  depth of field 
C)  stage size 
D)  field of view 
E)  none of the above

Question 7

Which microscope has the largest potential working distance?

Accepted Answer

A)  polarizing 
B)  compound 
C)  stereoscopic 
D)  fluorescent 
E)  comparison 
A)  polarizing 
B)  compound 
C)  stereoscopic 
D)  fluorescent 
E)  comparison

Question 8

Which microscope can be linked to an x-ray analyzer?

Accepted Answer

A)  SEM 
B)  stereoscopic 
C)  microspectrophotometer 
D)  compound 
E)  polarizing 
A)  SEM 
B)  stereoscopic 
C)  microspectrophotometer 
D)  compound 
E)  polarizing

Question 9

An object with the letter "L" is viewed under low power of a compound microscope. The image would appear as:

Accepted Answer

A)   
B)   
C)   
D)   
E)  none of the above. 
A)   
B)   
C)   
D)   
E)  none of the above.

Question 10

As the magnifying power of the compound microscope increases, the depth of focus:

Accepted Answer

A)  increases. 
B)  remains the same. 
C)  decreases. 
A)  increases. 
B)  remains the same. 
C)  decreases.

Question 11

In the design of a polarizing microscope, the polarizer is placed between the:

Accepted Answer

A)  sample stage and the analyzer. 
B)  analyzer and the eyepiece. 
C)  light source and the sample stage. 
D)  specimen and the sample stage. 
E)  specimen and the analyzer. 
A)  sample stage and the analyzer. 
B)  analyzer and the eyepiece. 
C)  light source and the sample stage. 
D)  specimen and the sample stage. 
E)  specimen and the analyzer.

Question 12

The polarizer and analyzer in a polarizing microscope are normally set:

Accepted Answer

A)  parallel to each other. 
B)  so that they are in constant motion. 
C)  so that maximum plane polarized light can reach the eyepiece. 
D)  perpendicular to each other. 
E)  none of the above 
A)  parallel to each other. 
B)  so that they are in constant motion. 
C)  so that maximum plane polarized light can reach the eyepiece. 
D)  perpendicular to each other. 
E)  none of the above

Question 13

Crystals that are ___________ produce two planes of polarized light, each perpendicular to the other.

Accepted Answer

A)  colored 
B)  birefringent 
C)  solid 
D)  amorphous 
E)  isotropic 
A)  colored 
B)  birefringent 
C)  solid 
D)  amorphous 
E)  isotropic

Question 14

An objective lens with a numerical aperture of 1.50 can separate details at half the distance of a lens with a numerical aperture of:

Accepted Answer

A)  3.00 
B)  0.075 
C)  0.75 
D)  0.65 
E)  30.00 
A)  3.00 
B)  0.075 
C)  0.75 
D)  0.65 
E)  30.00

Question 15

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:

Accepted Answer

A)  100x. 
B)  650x. 
C)  4500x. 
D)  65x. 
E)  450x. 
A)  100x. 
B)  650x. 
C)  4500x. 
D)  65x. 
E)  450x.

Question 16

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

Accepted Answer

A)  microspectrophotometer 
B)  stereoscopic 
C)  compound 
D)  polarizing 
E)  comparison 
A)  microspectrophotometer 
B)  stereoscopic 
C)  compound 
D)  polarizing 
E)  comparison

Question 17

Components of a compound microscope include all of the following except:

Accepted Answer

A)  expander 
B)  illuminator 
C)  coarse adjustment 
D)  condenser 
E)  stage 
A)  expander 
B)  illuminator 
C)  coarse adjustment 
D)  condenser 
E)  stage

Question 18

Which microscope plots an absorption spectrum of the item under examination?

Accepted Answer

A)  microspectrophotometer 
B)  polarizing 
C)  comparison 
D)  stereoscopic 
E)  compound 
A)  microspectrophotometer 
B)  polarizing 
C)  comparison 
D)  stereoscopic 
E)  compound

Question 19

A transparent specimen is viewed through a microscope using ___________ light while an opaque object requires ___________ illumination.

Accepted Answer

A)  confocal; transmitted 
B)  transmitted; vertical 
C)  vertical; horizontal 
D)  transmitted; stereoscopic 
E)  vertical; reflected 
A)  confocal; transmitted 
B)  transmitted; vertical 
C)  vertical; horizontal 
D)  transmitted; stereoscopic 
E)  vertical; reflected

Question 20

A microscope uses a combination of ___________ to magnify an image.

Accepted Answer

A)  stages 
B)  lenses 
C)  confocals 
D)  mirrors 
E)  prisms 
A)  stages 
B)  lenses 
C)  confocals 
D)  mirrors 
E)  prisms

________ are used to focus the SEM (scanning electron microscope).

A type of image that cannot be viewed directly is called a(n) ___________ image.

The major advantages of the SEM image include all of the following except:

The condenser of a compound microscope is located:

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

The size of the specimen area in view is known as the:

Which microscope has the largest potential working distance?

Which microscope can be linked to an x-ray analyzer?

An object with the letter "L" is viewed under low power of a compound microscope. The image would appear as:

As the magnifying power of the compound microscope increases, the depth of focus:

In the design of a polarizing microscope, the polarizer is placed between the:

The polarizer and analyzer in a polarizing microscope are normally set:

Crystals that are ___________ produce two planes of polarized light, each perpendicular to the other.

An objective lens with a numerical aperture of 1.50 can separate details at half the distance of a lens with a numerical aperture of:

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:

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

Components of a compound microscope include all of the following except:

Which microscope plots an absorption spectrum of the item under examination?

A transparent specimen is viewed through a microscope using _ light while an opaque object requires _ illumination.

A microscope uses a combination of ___________ to magnify an image.

Introduction

Securing and Searching the Crime Scene

Recording the Crime Scene

Collection of Crime-Scene Evidence

Physical Evidence

Death Investigation

Fingerprints

Firearms, Toolmarks, and Other Impressions

Bloodstain Pattern Analysis

Drugs

Forensic Toxicology

Trace Evidence I: Hairs and Fibers

Trace Evidence Ii: Paint, Glass, and Soil

Biological Stain Analysis: DNA

Forensic Aspects of Fire and Explosion Investigation

Document Examination

Computer Forensics

Filters

Exam 7: Crime-Scene Reconstruction

________ are used to focus the SEM (scanning electron microscope).

A type of image that cannot be viewed directly is called a(n) ___________ image.

The major advantages of the SEM image include all of the following except:

The condenser of a compound microscope is located:

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

The size of the specimen area in view is known as the:

Which microscope has the largest potential working distance?

Which microscope can be linked to an x-ray analyzer?

An object with the letter "L" is viewed under low power of a compound microscope. The image would appear as:

As the magnifying power of the compound microscope increases, the depth of focus:

In the design of a polarizing microscope, the polarizer is placed between the:

The polarizer and analyzer in a polarizing microscope are normally set:

Crystals that are ___________ produce two planes of polarized light, each perpendicular to the other.

An objective lens with a numerical aperture of 1.50 can separate details at half the distance of a lens with a numerical aperture of:

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:

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

Components of a compound microscope include all of the following except:

Which microscope plots an absorption spectrum of the item under examination?

A transparent specimen is viewed through a microscope using ___________ light while an opaque object requires ___________ illumination.

A microscope uses a combination of ___________ to magnify an image.

Introduction

Securing and Searching the Crime Scene

Recording the Crime Scene

Collection of Crime-Scene Evidence

Physical Evidence

Death Investigation

Fingerprints

Firearms, Toolmarks, and Other Impressions

Bloodstain Pattern Analysis

Drugs

Forensic Toxicology

Trace Evidence I: Hairs and Fibers

Trace Evidence Ii: Paint, Glass, and Soil

Biological Stain Analysis: DNA

Forensic Aspects of Fire and Explosion Investigation

Document Examination

Computer Forensics

Filters

A transparent specimen is viewed through a microscope using _ light while an opaque object requires _ illumination.