Set 14 Problem 1 a. How far from a converging lens of focal length f (in mm) must an object be placed if its image is to be m x larger than the object and be real? do : cm abc sin(x) OX10' Submit Reset Reset All For a real image what is the sign of the image distance d;? Note that the answer will involve a unit conversion factor between mm and cm. b. Evaluate the above question if f = 42.2 mm and the magnitude of the magnification factor is 2.4. O 0. 15 cm abc sin (x 0x10' Submit Reset Reset Al c. What if the image is to be virtual and magnified 2.4 x? VO cm abc sin(x) 1X10" Submit Reset Reset All