Initially, an object is 12cm to the left of a convex lens of focal length 8.2cm, then a concave (diverging) lens of local length -9cm is placed 20cm to the right of the convex lens. Find:
1. Image distance from concave lens, i=
2. Is the final image Real or Virtual?
3. Is the final image Enlarged or Diminished?
4. Is the final image Upright or Inverted?
5. What is the Total magnification? M=