6A42.44 - Refraction - Number of Objects

Code Number:
Demo Title:
Refraction - Number of Objects
Refraction of Light Waves
Area of Study:
Water tank, fish or orange golf ball.

Place the tank so that you can view it into one of the corners.  Put the golf ball or other objects in the tank so that they are in the middle of the tank and behind the viewing corner.  Multiple images of the single object will be seen.

  • P.J. Ouseph, "How Many Fish Are in the Tank?" TPT, Vol. 25, # 7, Oct. 1987, p. 440.
  • Robert Ehrlich, "10.9, Seeing Double in a Square Container", Why Toast Lands Jelly-Side Down, p. 159.

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