Answer
A simple microscope is a type of magnifying instrument that uses a single lens or a set of lenses in a single group to magnify objects. Unlike compound microscopes, which use multiple lenses to achieve higher magnification, a simple microscope typically consists of just one convex lens.
Key Features of a Simple Microscope:
- Single Lens: The primary component is a convex lens that bends light rays to magnify the image of the object being observed.
- Magnification: The magnification power of a simple microscope is usually lower than that of a compound microscope, typically ranging from 2x to 20x.
- Portable: Due to its simplicity, the microscope is usually small, lightweight, and portable.
- Uses: It is commonly used for basic magnification tasks, such as reading fine print, examining small objects, or in educational settings for introductory study.
Historical Example:
- Antonie van Leeuwenhoek’s Microscope: Van Leeuwenhoek’s microscopes, which he used to discover microorganisms, were simple microscopes. His designs were small and handheld, with a single powerful lens capable of magnifying objects up to 270 times.
Simple microscopes are still used today in various forms, like magnifying glasses and loupes, and serve as a fundamental tool in many scientific fields.
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