Why can't we use concave mirrors in big shopping malls to keep a watch on customers as it will provide an enlarged image?
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even though concave mirrors would provide an enlarged image it is not well in use in shopping malls as they are very big and we need a wide range of view to shown in the mirror which can be achieved by convex mirror.
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Because it doesn't rotate in any direction like CCTV cameras so we can't use concave mirror in big shopping malls.
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