Copyright 2004 Ken Greenebaum
Plank’s curve
nHeat
an electric range:
nWarm: IR radiation (300K)
nHot: Glows Dull Red (1000K)
n1000K Plank’s curve barely intersects visible sptrm
nVery Hot: Glows Orange
nEven Hotter: Glows Yellow
nHottest of all: Glows White (7000K)
nEvery burn Magnesium?
nPeak at Violet, tail radiates all visible colors