Recent content by aeroboi

Ok... but isn't that distance just 40cm (as stated in the problem statement)?

I am aware that the object would be to the left of the lens and the image would be to the right, but I don't understand what it is mean by " A converging lens of focal length f = 8.96 cm forms a sharp image for two positions of the lens." I don't understand where the two positions would be and...