Each mirror forms an image of the object. This image then acts as a virtual object for the other mirror, which forms another image. This process of multiple reflections between the two parallel surfaces continues indefinitely, resulting in an infinite series of images extending along the line perpendicular to the mirrors passing through the object.
An object is placed between two parallel plane mirrors. The number of images formed is
Asked in UPPSC Upper Mains 2013 · Topic: Optics (Reflection and Refraction at plane and spherical surfaces)
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