A student measures images of four cells, P, Q, R and S.
The table shows the results.
Table
| Cell | Length of image in mm\text{mm}mm | Actual length in mm\text{mm}mm |
|---|---|---|
| P | 40 | 0.20 |
| Q | 30 | 0.05 |
| R | 60 | 0.30 |
| S | 25 | 0.10 |
Which image has the greatest magnification?
image of cell P
image of cell Q
image of cell R
image of cell S
130 exam-style questions on OCR GCSE Biology 1.1 Cell structures, covering 1.1.1 Viewing cells with light microscopes, 1.1.2 Sub-cellular structures and functions, and 1.1.3 Electron microscopy and resolution. Each one has a worked solution and a mark scheme showing where the marks go.