The real image of an object formed by a converging lens of focal length 15cm, is three times the size of the object. Calculate the object distance? By: Sunday|Published on: Aug 27|Categories: Physics WAEC| 0 comments A. 60cm B. 30cm C. 20cm D. 15cm Correct Answer: Option C – 20cm Users Also Read These:At what distance from a simple microscope must an…A converging lens of focal length 10cm forms an…A lens of focal length 15.0 cm forms an upright…A converging lens of focal length 15cm is used to…A converging lens produces an image four times as…SEE ALSO An object is placed 20cm from a lens. If an image is formed on a screen 260cm away from the lens, calculate the magnification of the image.