Solve the all parts of following question given below:
Question: A doctor examines a mole with a 15.7 cm focal length magnifying glass held 11.9 cm from the mole.
Part I: How far is the image from the lens?
cm
Part II: What is its magnification?
Part III: How big is the image of a 5.00 mm diameter mole?
mm
Please use as much detail as possible in answer.