M3: Module 3 Exam- Requires Respondus LockDown Browser Due No due date Points 100 Questions 20 Time Limit 60 Minutes Requires Respondus LockDown Browser This quiz is currently locked. At tempt History Attempt Time Score LATEST Attempt 1 38 minutes 85 out of 100 This study source was dow
true or false a nanometer 10 9 is longer than a micrometer 10 6
what is the total magnification relative to your eye of a sample imaged with a 20x objective and a 15x eyepiece show your math
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2/22/22, 3:49 PM M3: Module 3 Exam- Requires Respondus LockDown Browser: Essential Microbiology with L
M3: Module 3 Exam- Requires Respondus LockDown Brows
Due No due date Points 100 Questions 20 Time Limit 60 Minutes
Requires Respondus LockDown Browser
This quiz is currently locked.
Attempt History
Attempt Time S
LATEST Attempt 1 38 minutes 85
Question 1
True or False: A nanometer (10-9) is longer than a micrometer (10-6).
True
Co
orrrec
ct! False
A nanometer is 1,000 times smaller than a micrometer.
Question 2
Resolution and contrast are two critical factors that influence your ability to see an objec
Your Answer:
In Module 3, contrast is when the difference in the absorbance of light is conferred betwe
contrast is limited, it is hard to visualize multiple objects within the background. Alternati
referencing resolution, the distance between two objects and how they're seen as separ
studied. Low resolution occurs when multiple objects appear as one instead of separate
, 2/22/22, 3:49 PM M3: Module 3 Exam- Requires Respondus LockDown Browser: Essential Microbiology with L
Assuming a fixed ocular, identify the part of the microscope you would adjust to enhance
a sample.
Co
orrrec
ct! Objective
Only the oculars (eyepiece) and the objectives contribute to the magnification of the sample
eyepiece is fixed, only the objectives could be altered.
Condenser
Iris diaphragm
Eye piece
Question 4
What is the total magnification (relative to your eye) of a sample imaged with a 20x obje
eyepiece? Show your math.
Your Answer:
TM is calculated by multiplying the power of the objective lens being used to the power
example -- if the objective lens being used is 60x, then the total magnification is 10 x 60
would appear 600 times larger.
20 x 15 = 300x magnification
Question 5
True or False: A cell that is adherent, flat (thin), and unstained is easily identified using b
microscopy.
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