Pls solve experts Q. What is the focal length of a line that produces a real image three times as large as the object if the distance between image and object is 1 m? Share with your friends Share 1 Shireen Aaisha answered this 2 View Full Answer Ch Manaswini answered this u + v = 1m m = v/u = h1/h0 v/u = 3/1 v = 3u u + 3u = 1 u = 1/4 = 0.25m v = 0.75cm 1/f = 1/v - 1/u 1/f = 1/0.75 - 1/0.25 = 100/75 + 100/25 1/f = 400/75 f = 0.1875m 0
