microscopy

Question 1

how did light microscopy work?

Answer 1

by passing light through the specimen so we could see things like nuclei and chloroplast.

Question 2

what are the best microscopy right now

Answer 2

electron microscopes . they use electrons instead of light and have higher magnification and resolution .

Question 3

what is the difference between the coarse adjustment knob and the fine adjustment knob ?

Answer 3

the coarse adjustment knob is to move the stage up so that the slide is just underneath the objective lens and the fine adjustment knob is to adjust the focus so we get a clearer image of the specimen.

Question 4

how much objective lens is the on a microscope

a. 2
b. 4
c. 3

Answer 4

c. the objective lens goes from low power to high power.

Question 5

name three things that you have to make sure when making a scientific drawing ?

Answer 5

label important features , sharp pencil’s , make sure drawing takes up half of the space

Question 6

how to work out total magnification ?

Answer 6

eye piece lens magnification x objective lens magnification

Question 7

how to work out magnification ?

Answer 7

magnification = image size / real size