The World Of The Microscope Flashcards
1
Q
What is the formula for calculating magnification?
A
Magnification = objective lens magnification x eyepiece magnification
2
Q
What is the formula for calculating the size of an object?
A
Size of real object = size of image / magnification
3
Q
Meaning of resolution?
A
The ability to distinguish between 2 separate points
4
Q
Meaning of resolving?
A
The ability to zoom in and separate 2 points to make them clearer
5
Q
Light microscope summary:
A
- uses a beam of light to form an image
- can magnify live specimens
- is cheap
6
Q
Electron microscope summary:
A
- uses a beam of electrons
- used to understand more about the sub cellular structures inside cells
7
Q
Scanning electron microscope summary:
A
- give 3D images
- has a lower magnification then transmission electron microscopes
8
Q
Transmission electron microscope summary:
A
- give 2D images
- has very high magnification
