Magnification Flashcards
microscopes - types and use
what is another name for a dissecting microscope?
stereo microscope
what is a dissecting microscope used for
dissections
what is the source of radiation for a dissecting microscope
visible light
specimen type for dissecting microscopes
macroscopic (large objects)
notes for a dissecting microscope
- Used for bigger things
- It is used for magnifying things that you can already see
- Only magnify up to 40x
purpose of a compound light microscope
microscopic specimens
source of radiation for compound light microscopes
visible light
specimen types for compound microscopes
thin sections and cells
notes on compound light microscopes
- It has many lenses
- Usually they have 2 lenses
- These microscopes look like binoculars
what does SEM stand for?
scanning electron microscope
what is a SEM used for
atomic or molecular level
source of radiation for SEM
electrons
specimen type for SEM
ridiculously small things
notes for scanning electronic microscopes
- Can magnify things by hundreds of thousands of times
- Some can even see atoms
- Instead of using light, it shoots out electrons
- You can only see the atoms through a computer screen
- Used to see subatomic particles
USB microscopes specimens
microscopic specimens
source of radiation for USB microscopes
visible light
what is notation?
Notation
‘x10’ means it makes the specimen appear ten times larger than it actually is
total magnification of a compound light microscope?
Magnification of ocular (eye piece) lens multiplied by the magnification of the engaged objective lens.
