A light microscope has a resolution limit of 0.25 μm0.25\ \mu\text{m}0.25 μm. A transmission electron microscope has a resolution limit of 0.0005 μm0.0005\ \mu\text{m}0.0005 μm.
How many times closer can two points be to each other and still be distinguished as separate entities when using this electron microscope compared to the light microscope?
5×5\times5×
50×50\times50×
500×500\times500×
5000×5000\times5000×
40 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.