Problem 35.1

Object A:  Restart. Object B:  Restart.

Object C:  Restart. Object D:  Restart.

Please wait for the animation to completely load.

Four regions are hidden by curtains.  You can drag the source of light to any location (position is given in meters).

  1. What is behind each curtain?
  2. Rank the objects in terms of their focal lengths from smallest to largest (most negative to most positive).

 

 

Problem authored by Melissa Dancy.
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