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A mirror is a reflective surface that does not allow the passage of light and instead bounces it off, thus producing an image. The most common mirrors are flat and called plane mirrors. These mirrors are made by putting a thin layer of silver nitrate or aluminium behind a flat piece of glass.
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How does a lens or mirror form an image? See how light rays are refracted by a lens or reflected by a mirror. Observe how the image changes when you adjust the focal length of the lens, move the object, or move the screen.
A lens is a device that uses refraction to bend light rays; a mirror uses reflection. The purpose in bending the rays, in most cases, is to form an image of an object: an optical replica of the object. The lenses and mirrors we discuss will be assumed to have either plane or spherical surfaces, which simplifies the geometry.
Ray Diagrams, Concave Lens and Convex Mirror: Shows how to draw the ray diagrams for locating the image produced by a concave lens and a convex mirror.
In this chapter we will build upon the laws of reflection and refraction to understand how images are formed by mirrors and lenses. Mirrors. Flat Mirrors. A flat mirror will produce an image that is behind the mirror. The image is the same distance from the mirror as the object and is upright if the object is upright.
This collection of interactive simulations allow learners of Physics to explore core physics concepts associated with reflection and mirrors.
