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| 1. |
prove that the minimum size of a plane mirror fixed on the wall of a room in which the observer at the center of a room can see the full image of wall behind him,is one third the height of the wall |
| Answer» prove that the minimum size of a plane mirror fixed on the wall of a room in which the observer at the center of a room can see the full image of wall behind him,is one third the height of the wall | |