12
Example of
Wien’s law
•What is wavelength at which you glow?
–Room T =
300 K so
–This wavelength
is about 20 times longer than
what your eye can see. Camera in class operated at 7-14 μm.
•What is temperature of the sun – which
has maximum
intensity at roughly 0.5 mm?
From our text: Horizons, by Seeds