Combined Science GCSE
real size
What real size means in Combined Science GCSE, as defined for AQA.
Definitions of real size
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Reference: AQA
The actual size of the object, found by dividing image size by magnification, and smaller than the image size when magnification is greater than 1.
The true size of a specimen, found by dividing image size by magnification, and measured in the same unit as the image.
Topics that use real size
- Microscopy (AQA GCSE)
Related terms
- Index laws
- Magnification
- Powers of ten
- Standard form
- sub-cellular structures
- Technology driving biological discovery
- TEM versus SEM
- Unit conversion
Using real size in the exam
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