Question

Why convex mirror is used in CCTV

Answer 1

Convex mirror forms a virtual demagnified image for the objects (it can easily be confirmed by a simple ray diagram). ... Thus, observer (security personnel) can scan larger area even through a small mirror. In addition, for the same reasons, thesemirrors are good to avoid any accident around the corners as well.

Answer 2

Convex mirror is used in CCTV because it gives with large views.Image formed by convex mirror is erect too so it's easy to identify the object easily.
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