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Hole in a Black Box
# 6B40.20


Description: A box is painted black on the outside and white on the inside with a hole in the side. The hole appears to be black until the top of the box is removed.

Setup Time: none

Quant. in Demo Room: 1

Demo References
The Video Encyclopedia of Physics Demonstrations Disc 24-25 Two black boxes have blacker appearing holes in them. One box actually is painted white inside.
Freier and Anderson Hf-2 A box painted black has a hole in the side.

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