What is the typical magnification? When the microscope has two eyepieces the interocular distance is adjustable. Why? Click on the objective lenses. List the four types of objec
https://www.ncbionetwork.org/iet/microscope/
this lab involves a virtual microscope. Here is the link to use it.
the questions are posted in the document below
Thank you!!
Requirements: Answer questions
Open the link provided and Click LAUNCH. From Launch you will then click LEARN:
Using the image of the microscope, click around to learn the name of the parts and then identify the names of the parts on the picture below: (1/2 pt each)
Click on the eyepiece lens: (1 pt each question unless stated otherwise)
What is the typical magnification?
When the microscope has two eyepieces the interocular distance is adjustable. Why?
Click on the objective lenses.
List the four types of objective lens and identify them with the name given: (2 pts)
Which type of paper located on the lab bench is used for cleaning these lenses?
Click the immersion oil bottle on the lab bench:
What is its purpose? How does it increase the magnification of the image? (2 pts)
Which lens would the oil be used with?
Return to MAIN
Click on the EXPLORE button and open the slide box to the right. Find the letter E. Experiment with the adjustments moving first from course to fine. Adjust the light if needed. Note the lighting up and/or moving of the parts as you do this and the changes to the image.
Return the letter E to the box and chose the plant slide. Notice that when you first load the slide you cannot see anything. Use the course adjustment first. How does the stage move when you use the course adjustment, away from the objective lens, or towards the objective lens?
Answer: ____________________
Use the fine adjustment next. How is the movement of the stage different from that of the course adjustment knob?
Answer:
Experiment with changing the magnification levels. What happens to the image as you move from 10X to 40X?
Answer:
Put the plant slide back in the box and chose the Animal/spider slide. Bring the image into focus using first the course and then the fine adjustment. Now, jump ahead to the 100X magnification. What message do you receive?
Answer:
Now, put the Animal/spider slide away and open the HUMAN slide box. Explore the blood, bone and adipose (fat) slides. Be sure to use all of the options. In the space below list 4 differences in what you are seeing. (2 pts)
Now go back to the main menu and click the TEST mode. Examine the questions under how to determine total magnification. How is total magnification figured out? Explain this below. (2 pts)
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