Figure shows a cubical room ABCD with the wall CD as a plane mirror. Each side of the room is 3 m .
Channel: Doubtnut
Date: 2020-08-30

Figure shows a cubical room ABCD with the wall CD as a plane mirror. Each side of the room is 3 m . We place a camera at the midpoint of the wall AB . At what distance should the camera be focussed to photograph an object placed at A.