Order of Magnitude (AQA A-Level Biology): Flashcards
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Practise the cards
10 cards from this deck
Primary use of order of magnitude calculations in biology
Primary use of order of magnitude calculations in biology
Magnification equation
Two purposes of magnification calculations
Two purposes of magnification calculations
Calculate real sizes; create scale drawings
Magnification equation
Magnification equation
Finding magnification: formula
Finding magnification: formula
Image size ÷ object size
Finding image size: formula
Finding image size: formula
Magnification × object size
Finding object size: formula
Finding object size: formula
Image size ÷ magnification
Unit requirement before magnification calculations
Unit requirement before magnification calculations
Both measurements must use same units
1 cm in micrometres
1 cm in micrometres
10,000 μm (or μm)
5 cm image of 8 μm mitochondrion: magnification
5 cm image of 8 μm mitochondrion: magnification
6250×
2.6 cm image at 520× magnification: actual size
2.6 cm image at 520× magnification: actual size
50 μm