lens forms an image of an object. The object is 16.0 cm from the lens. The image is 12.0 cm from the lens on the same side as the object.
(a) What is the focal length of the lens? Is the lens converging or diverging?
(b) If the object is 8.50 mm tall, how tall is the image? Is it erect or inverted?
(c) Draw a principal-ray diagram