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FRSC365 TEST 3 ACTUAL EXAM QUESTIONS
AND ANSWERS WITH COMPLETE SOLUTIONS
VERIFIED GRADED A+
Eyepiece ocular lens - .....ANSWER ...✔✔
Observation tube - .....ANSWER ...✔✔
measuring graticule - .....ANSWER ...✔✔ Where the
reticle is just past the observation tube
Revolving nosepiece - .....ANSWER ...✔✔
Mechanical stage - .....ANSWER ...✔✔
condenser placement - .....ANSWER ...✔✔
field diaphragm placement - .....ANSWER ...✔✔
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what kind of light is below the field diaphram on a
compound microscope - .....ANSWER ...✔✔ tungsten
halogen lamp
what kind of lens is above a microscope's light source -
.....ANSWER ...✔✔ a frosted or diffuser lens
Field diaphragm - .....ANSWER ...✔✔ reduces stray
light that enters the condenser. Slightly affects image
contrast
Condenser - .....ANSWER ...✔✔ gathers and
concentrates light to illuminate with uniform intensity
What does the light do due to the condenser -
.....ANSWER ...✔✔ diverges into an inverted cone to
fill the front lens
how does condenser effect resolution - .....ANSWER
...✔✔ as condenser closes contrast is increased
how does condenser effect resolution - .....ANSWER
...✔✔ as condenser increases resolution decreases
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Definition of numerical aperture - .....ANSWER ...✔✔
ability to gather light and resolve fine detail
Airy disk formula - .....ANSWER ...✔✔ d = 0.61/NA
What are the two types of condenser types -
.....ANSWER ...✔✔ abbe and achromat/aplanat
what is abbe corrected for - .....ANSWER ...✔✔ Abbe
is the simplest and least corrected
what is achromat/aplanat corrected for - .....ANSWER
...✔✔ chromatic, spherical, and curvature of field
UW and UWF ocular inscription - .....ANSWER ...✔✔
ultra wide view field
SW and SWF ocular inscription - .....ANSWER ...✔✔
super wide field
WF ocular inscription - .....ANSWER ...✔✔ wide field
FRSC365 TEST 3 ACTUAL EXAM QUESTIONS
AND ANSWERS WITH COMPLETE SOLUTIONS
VERIFIED GRADED A+
Eyepiece ocular lens - .....ANSWER ...✔✔
Observation tube - .....ANSWER ...✔✔
measuring graticule - .....ANSWER ...✔✔ Where the
reticle is just past the observation tube
Revolving nosepiece - .....ANSWER ...✔✔
Mechanical stage - .....ANSWER ...✔✔
condenser placement - .....ANSWER ...✔✔
field diaphragm placement - .....ANSWER ...✔✔
,2|Page
what kind of light is below the field diaphram on a
compound microscope - .....ANSWER ...✔✔ tungsten
halogen lamp
what kind of lens is above a microscope's light source -
.....ANSWER ...✔✔ a frosted or diffuser lens
Field diaphragm - .....ANSWER ...✔✔ reduces stray
light that enters the condenser. Slightly affects image
contrast
Condenser - .....ANSWER ...✔✔ gathers and
concentrates light to illuminate with uniform intensity
What does the light do due to the condenser -
.....ANSWER ...✔✔ diverges into an inverted cone to
fill the front lens
how does condenser effect resolution - .....ANSWER
...✔✔ as condenser closes contrast is increased
how does condenser effect resolution - .....ANSWER
...✔✔ as condenser increases resolution decreases
, 3|Page
Definition of numerical aperture - .....ANSWER ...✔✔
ability to gather light and resolve fine detail
Airy disk formula - .....ANSWER ...✔✔ d = 0.61/NA
What are the two types of condenser types -
.....ANSWER ...✔✔ abbe and achromat/aplanat
what is abbe corrected for - .....ANSWER ...✔✔ Abbe
is the simplest and least corrected
what is achromat/aplanat corrected for - .....ANSWER
...✔✔ chromatic, spherical, and curvature of field
UW and UWF ocular inscription - .....ANSWER ...✔✔
ultra wide view field
SW and SWF ocular inscription - .....ANSWER ...✔✔
super wide field
WF ocular inscription - .....ANSWER ...✔✔ wide field
