Magnification can be worked out from a photograph or drawing using the equation below: The same unit of measurement should be used when making the calculation - metre (m), millimetre (mm) or ...

most animal cells are between 0.01 mm – 0.05 mm most plant cells are between 0.01 mm – 0.10 mm The human eye can see objects as small as around 0.05 mm. A microscope is required to see cells in any ...