A student uses a light microscope with a ×10 \times 10\,×10 eyepiece lens and a ×40 \times 40\,×40 objective lens.
What is the total magnification?
×4\times 4×4
×30\times 30×30
×50\times 50×50
×400\times 400×400
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.