Chapter 2 Part 1 - Microscopy Flashcards
What is the formula used to calculate magnification?
Magnification = size of image/actual size of object
Why are cells stained before being viewed with a light microscope?
- Increases contrast between different cell components.
- Makes different cell components visible.
- Allows different cell components to be identified.
What is an eyepiece graticule?
A glass disc that fits on top of the eyepiece lens which that is marked with a fine scale from 1 to 100. (Used to make measurements of observations.)
What is a stage micrometer?
A microscope slide with a very accurate scale in micrometers (µm) engraved on it.
What is a scientific drawing?
A labelled line drawing that is used to highlight particular features and does not include unnecessary detail or shading.
It should always have a title and state the magnification.
What is magnification?
How many times larger an image is than the actual size of the object being viewed.
What is resolution?
The ability to see individual objects as separate entities.
