3.8 Flashcards
Sarah
1
Q
The ……….. ……………. is a little scale bar placed in the eyepiece of light microscope
A
Eyepiece graticule
2
Q
What is the equation to find the actual size of an object?
A
size of image / divided by magnification
3
Q
The drawing of a mitochondrion has been magnified 100 000 times.
Is has been measured with a ruler = 50mm
Use the equation to find the actual size of the object.
A
50 x 1000 = 50 000 µg
Actual size of object = size of object / magnification
= 50 000 / 100 000
=0.5 µm
4
Q
What are the units used to measure a specimen in a microscope using an eyepiece graticule?
A
Eyepiece Graticule units
5
Q
What is calibration?
A
The conversion of graticule units into real units. (mm, µm).
