Black-Body R.doc
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1. The document finds the wavelength of blackbody radiation at temperatures of 3 K, 300 K, and 3000 K using Wien's displacement law. 2. At 3 K the wavelength is calculated to be 966 micrometers. 3. At 300 K the wavelength is calculated to be 9.66 millimeters. 4. At 3000 K the wavelength is calculated to be 966 nanometers.
Black-Body R.doc
- 1. 1 Find for blackbody radiation at 3 , 300 , and 3000 . m a T K b T K c T K Solution 3 3 According to Wien displacement law for a blackbody: 2.90 10 . 2.90 10 . m m T m K m K T
- 2. 2 3 3 3 3 3 6 3 4 3 7 9 ( ) 2.90 10 . 3 0.966 10 0.966 ( ) 2.90 10 . 300 0.00966 10 0.00966 9.66 10 9.66 10 9.66 ( ) 2.90 10 . 3000 9.66 10 10 9.66 10 966 10 966 m m m a m K K X m mm b m K K X m mm X mm X m m c m K K X X m X m X m nm