Microscopes

Question 1

What are the qualities of a light microscope?

Answer 1

Easy to use
Relatively cheap
Relies on light
Resolution is limited to 0.2μm
Cannot see sub cellular structures

Question 2

Electron microscopes

Answer 2

Difficult to use
Expensive
Uses electrons
Resolution is 1nm (2000x times better than light microscope)
Can see sub cellular structures

Question 3

Conversion of units to a bigger unit

Answer 3

÷1000 (e.g 6nm=0.006μm)

Question 4

Conversion of units to a smaller unit

Answer 4

x1000 (e.g 6μm=6000nm)

Question 5

Microscopy calculations

Answer 5

image size=object size x magnification