Magnification (Edexcel GCSE Biology Combined Science): Flashcards
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Practise the cards
10 cards from this deck
Formula for total magnification of microscope
Formula for total magnification of microscope
eyepiece lens mag. × objective lens mag.
Formula for magnification
Formula for magnification
1 mm in standard form (metres)
1 mm in standard form (metres)
m
1 μm in standard form (metres)
1 μm in standard form (metres)
m
1 nm in standard form (metres)
1 nm in standard form (metres)
m
Size range of most human cells
Size range of most human cells
10-30 μm
Typical size range of bacteria
Typical size range of bacteria
1-5 μm
Size range of viruses
Size range of viruses
20-300 nm
Size of ribosomes
Size of ribosomes
Around 20 nm
Width of DNA molecules
Width of DNA molecules
About 2 nm
