Light reflection and Refration



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Contents

Ray Diagram


Description: A ray diagram visually represents light paths using straight lines, showing how rays interact with optical elements like lenses or mirrors.


Mirror & Cartesian Sign Convention


Description: Concave mirrors converge light, forming real or virtual images; convex mirrors diverge light, forming virtual images. Cartesian sign convention dictates positive/negative directions for distances.


Human Eye, Iris & Retina


Description: The human eye captures light; the iris controls light entry, and the retina converts light into neural signals.


Eye Defects & Internal Reflection


Description: Eye defects like myopia and hyperopia impair vision. Internal reflection involves light bouncing within the eye, affecting clarity.


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