Microscopes Flashcards
Name the pieces of a microscope.
- coarse focusing wheel
- eyepiece lens
- fine focusing wheel
- mirror
- objective lens
- slide
- stage
Where is the coarse focusing wheel?
Big second wheel on the side
Where is the eyepiece lens?
where you look through
Where is the fine focusing wheel?
Small first wheel on the side
Where is the mirror?
Thing at the bottom
Where is the objective lens?
Small lenses looking down
Where is the slide?
Where you’re put what your looking at
How do you work out magnicfication?
image size / actual size
What are the other equations for magnification, image size and actual size?
Image size = actual size x magnification
Actual size = image size / magnification
When as the electron microscope invented?
1930’s
How does a electron microscope work?
It uses beams of electrons passing through a specimen to build up an image
What magnification and resolution can the electron microscope reach up to?
Magnification = x 2000000 Resolution = 0.0000002 mm
