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Optics is the study of light, and its interaction with matter. It includes topics such as imaging systems, fiber optics, lasers, quantum optics, and more.

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Studying curved mirrors. It's given that focal length equals half radius of curvature for co...

It is my first time studying reflection and the book states that for a concave spherical mirror, reflected rays parallel to the principal axis, $R$, pass through the focal point and the distance of t …
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