Magnification

Question 1

What does the eyepiece lens do?

Answer 1

You look through to see the image and also magnifies the image

Question 2

What the does objective lens do?

Answer 2

It magnifies the image

Question 3

What is the purpose of the stage?

Answer 3

It supports the slide

Question 4

What is the purpose of the clip?

Answer 4

Holds the slide in place

Question 5

What is the purpose of the handle?

Answer 5

Use the carry the light microscope around with

Question 6

What is the purpose of the lamp?

Answer 6

Shines a light on the slide so the image can be seen more easily

Question 7

What is the purpose of the focusing knobs?

Answer 7

Move the stage up and down to the image into focus

Question 8

How do you view a specimen once it has been prepared

Answer 8

Clip the slide onto the stage
Select the lower objective lens
Use the course, adjustment knob to bring the stage closer to the object lens
Look down the eyepiece and use the adjustment knob to make it so the specimen is just about in focus
Then, if needed, readjust the objective lens and use the course, and find objective lens to refocus

Question 9

How do you prepare a specimen before an investigation with a light microscope?

Answer 9

The specimen needs to be able to have light pass through it
Then take a clean slide and use a puppet to put one drop of water onto the slide
Use tweezers to place the piece of specimen onto the slide
Add a drop of stain
Place a cover slip on top of the slide by using a mountain needle and lower it at an angle to decrease the chance of any air bubbles

Question 10

What is the formula for total magnification?

Answer 10

Total magnitude= eyepiece lens magnitude X objective lens magnification

Question 11

What is the formula for magnification?

Answer 11

Magnification = image size \ real size