B1.1 Microscopes Flashcards
What is the little thing that juts out from the bottom of the microscope?
The light source
What is the thing above the light source called?
The stage
What do you put on the stage?
A microscope slide
What is the name given to the lenses?
The objective lenses
What does object mean?
Real object or sample so if your looking at onion cells the onion cells are the object
What does image mean?
What we see when we look down the microscope
What is the formula ?
Magnification= image size over object size
What does resolution mean
How detailed an image is
What are the two types of microscope
Light microscope
Electron Microscope
What are the advantages and disadvantages to a light microscope ?
Easy to use
Relatively cheap
Rely on light so resolution is limited so some details can appear blurry
What are the advantages and disadvantages of an electron microscope
Really big, very expensive and hard to use
Use electrons instead of light giving it a higher maximum resolution and magnification(2000 times better than light)
Therefore can study sub cellular structures
