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What property of a substance does Wien's Black body radiation expression account for?

  • Melting temperature

  • Electrical resistance

  • Heat capacity

  • Photon-gas limit

Answer

Wien's displacement law states that the wavelength at which a black body emits the most energy is inversely proportional to its temperature. The wavelength at which this peak occurs is called the Wien's displacement wavelength. Wien's displacement law is a consequence of the photon-gas limit, which states that the energy of a photon is inversely proportional to its wavelength.
Wonderful Wilhelm Wien: A Journey through the Life of a Visionary Physicist

Wonderful Wilhelm Wien: A Journey through the Life of a Visionary Physicist

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