Solve the all parts of following question given below:
Question: A converging lens has a focal length of 24.1 cm.
Part I: Locate the object if a real image is located at a distance from the lens of 120.5 cm.
Part II: Locate the object if a real image is located at a distance from the lens of 168.7 cm.
Part III: Locate the object if a virtual image is located at a distance from the lens of -120.5 cm.
Part IV: Locate the object if a virtual image is located at a distance from the lens of -168.7 cm.
Please show the all work and each step for the calculation so I can understand what I'm doing. Thank you!