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Blackbody Boxes (OP-B-BB)

Blackbody Boxes (OP-B-BB)

Blackbodies exist when light cannot escape.  Perceivable light does not escape from the inside of the two boxes.


1.  2 black index boxes w/ a hole in end

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    1.  Have students look at the hole in the end of the box.  Which looks blacker, the box or the hole?
    2.  Do you see any significant difference in the blackness of the holes in the two boxes?  Open the boxes to show that one box is white on the inside (the other is black).