TOPIC: MicroscopeAIM: How is a specimen viewed with a microscope measured?
What unit is used tomeasurecells?
•Micrometers•Microns •µm = um•1mm = 1000µm
•Paper thickness =about 150 µm
Human hair diameter = 80-100 µm
mm µm
•Multiply by 1000 or simply move the decimal 3 places to the right.
•Example:•3.2 mm = ? •3. 2 0 0
•3200.0 µm
•0.7634mm = ? µm
•0. 7 6 3 4 •763.4 µm
µm mm
•Move the decimal three places to the left or divide by 1,000
•Example: •789 µm = ? mm• 7 8 9 . •0.789 mm
•53.6 µm = ? mm• 0 5 3. 6 •0.0536 mm
•Smaller to larger =
•move decimal to left
•um mm
•Larger to smaller =
•move decimal to the right
•mm um
•SLL LSR•3 Silly Little Leprechauns Like Spring Rain
MicroscopicMeasureme
nt
1mm
•Field of view =
3250 µm3.25mm =
1.
1000um
500um
1mm =
1000/2 = 500
2.
1000um
2000um2 mm =
2000/2 = 1000
3.
500um
250um
1000um
1000/2 = 500
500/2 = 250
4.
1000um
500um
2000um
2000/2 = 1000
1000/2 = 500
5.
500um
250um
1000um
125um
6.
2500um
1250um
5000um
625um
5mm =
7.
5mm
1000um
= 5000um
5000/5 = 1000
8.
7000um
1000um
7000/7 = 1000
9.
2000um
400um
2000/5 = 400
10.