1.4. measuring Size And Calculating Magnification Flashcards
Define magnification
the number of times larger an image of an object is than the real size of the object
Define eyepiece graticule
A small scale that is placed in the microscope eyepiece
The eyepiece graticule is placed in the microscope eyepiece so that
It can be seen at the same time as the object to be measured
How to calibrate the eyepiece graticule
Stage micrometer is placed on the microscope stage and is brought into focus. The images of the stage micrometer and eyepiece graticule can be then superimposed.
Define stage micrometer
A very small accurately drawn scale of known dimensions, engraved on a microscope slide
Stage micrometer can be made by _____ the divisions on _______
Etching… a glass light or printed … a transparent firm
A stage micrometer commonly has subdivisions of
0.1 mm or 0.01 mm
Define micrograph
A picture taken with the aid of a microscope
A photomicrograph is taken using a light microscope while
An electron micrograph is taken using an electron microscope
