module 2 - 2.2 magnification and calibration Flashcards
1
Q
what is the eyepiece graticule?
A
- glass disc fitted into the microscope
- has no units
2
Q
what is the fine scale of the eyepiece graticule?
A
0-100
3
Q
what is the equation for image size?
A
image size = actual size x magnification
4
Q
what is the stage micrometer?
A
a microscope slide with a fine, accurate engraved scale, gives reference dimensions
5
Q
what are the divisions on the stage micrometer and how many are there?
A
1mm in length, divided into 100 divisions (each division 10μm)
6
Q
what is the equation for working out one eyepiece graticule division?
A
one eyepiece graticule division =
number of micrometers on slide micrometer/ number of eyepiece graticule divisions
