58. There is thin converging lens with focal length f = 140 mm. When an object is placed at the dist
問題詳情
58. There is thin converging lens with focal length f = 140 mm. When an object is placed at the distance of 210 mm from the lens,what is the lateral magnification? (A) 0.3 (B) 0.5 (C) 1.0 (D) 2.0 (E) 3.0