QUESTION 1 Match the parts of a microscope to their description. Stage Condenser
ID: 146203 • Letter: Q
Question
QUESTION 1
Match the parts of a microscope to their description.
Stage
Condenser Diaphragm
Dimmer Switch
Objectives
This part controls contrast
Contain the lenses
Turns the light source on/off and controls the intensity of the light.
The platform on which you place your slides.
1 points
QUESTION 2
When adjusting your focus at LOW power, what is the order of the following actions?
- 1. 2. 3. 4.
Use the course focus to get the sample into focus.
- 1. 2. 3. 4.
Use both the diaphragm & coarse control to get into focus.
- 1. 2. 3. 4.
Check that there is play in the fine focus.
- 1. 2. 3. 4.
Adjust the diaphragm to control the brightness of your view.
1 points
QUESTION 3
Once you go to any objective higher than 10x, the coarse focus adjustment is not used.
True
False
1 points
QUESTION 4
The image that you see through the eyepieces is actually and relative to how that object is oriented on the slide.
1 points
QUESTION 5
During the __________ century, Abbas Ibn Firnas, an Arabic-speaking North African living in Spain, invented the first corrective lenses.
9th
15th
12th
9th
1 points
QUESTION 6
Check the Iodine MSDS Sheet for the information. What are the proper PPE to use when using Iodine?
Safety glasses.
Gloves.
Shorts/Skirts
Protective clothing (includes lab coat)
- A. B. C. D.Stage
- A. B. C. D.Condenser Diaphragm
- A. B. C. D.Dimmer Switch
- A. B. C. D.Objectives
A.This part controls contrast
B.Contain the lenses
C.Turns the light source on/off and controls the intensity of the light.
D.The platform on which you place your slides.
Explanation / Answer
1) Stage : D the platform on which you place ur slides.
Condenser diaphragm: A this part controls contrast
Dimmer switch : c turns the light source on / off and controls the intensity of light
Objective : B contains the lenses
2) check that there is play in the fine focus.
Adjust the diaphragm to control the brightness of ur view.
Use the course control to get the sample into focus.
Use both diaphragm and course control to get the focus.
3) false . Because course focus is used to move the slide up and down and it is used even in objective more than 10x.
4)the image formed on the eyepiece is actually virtual and magnified relatively to the object oriented on slide.
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