Box with white interior appears black from hole in the side.
6B40.20 • C+65+20
Box with white interior appears black from hole in the side. Black body radiation: No surface is ideally black. The closest approach is shown by means of a small opening in the walls of a closed container. The energy entering the opening is absorbed by the interior walls. With lid open, the interior appears bright. With lid closed, the interior appears dark. TEMPERATURE AND EXPANSION.
Usage
Fall 2013 - Fall 2026
14
reservations across 3
classes
Related Demos
C+65+0 Concave mirrors focus candle flame on thermopile across bench. C+65+2 Light the Match. C+65+5 Computer demo: Kirchhoff's radiation law, runs 15 min. C+65+10 Large transformer heats metal strip with chalk marks on it. C+65+15 Crooke's radiometer with flashlight, arc lamp or IR source. C+65+25 FLIR T200 Infrared camera C+65+30 Blackbody color change as temperature increases