Solving a problem in physics section 42 point 72 quantu

Solving a problem in physics section 42 point 72 quantu

72. As a result of heating the black body wavelength corresponding to the maximum spectral density of the irradiance, moved with λ1 = 2,7 m to λ2 = 0,9 m. Determine how many times has increased: 1) irradiance of the body; 2) the maximum spectral density of the irradiance of the body. The maximum spectral density of the black body irradiance increases according to the law (rλ, T) max = CT5, where C = 1,3 • 10-5 W / (m3 • K5).

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Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)

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