Magnification Flashcards
1
Q
What is the formula for magnification?
A
Image Size = Magnification x Actual Object
I = M x A
2
Q
Convert mm to μm
A
x 1000
3
Q
Convert cm to μm
A
x 10,000
4
Q
Convert μm to mm
A
/ 1000
5
Q
How do you calculate A and M from Image I?
A
Calculate M-
- Finding A, Measure the size of the image in mm, using a ruler
- Convert the image size to μm (x1000)
- Looking at the image, A will be given in μm
- M= I / A
6
Q
What is an eyepiece graticule?
A
An eyepiece lens with a scale etched on the glass, this scale has no units. You can only measure organisms and cells in eye piece units, called epu.