This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General, Subject name: Microbiology
[{'content': 'Resolution power of light microscope is \nSelect and explain. \nA. 2nm, B. 20 nm, C. 200 nm, D. 2000 nm', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans :c) 200 nmThe resolving power of light microscope is limited by the wave length of light. With visible light, using the best optical system, the limit of resolution is 200- 300 nm.Extra points:* Wavelength of electron in Electron microscope- 0.0005nm* Resolving power of electron microscope -1 nm* Reflected light rather than transmitted light is med in Dark field /dark ground microscope', 'role': 'assistant'}]