Solve the following problems:
Problem: A certain digital camera having a lens with focal length 7.50cm focuses on an object 1.60m tall that is 4.30m from the lens.
Part A: How far must the lens be from the photocells?
Part B: Is the image on the photocells erect or inverted and Real or virtual?
Part C: How tall is the image on the photocells?
Explain the each and every step in detail for help.