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