Задача 50400.

How will the wavelength corresponding to the maximum in the emission spectrum of an absolutely black body change if the area under the curve expressing the dependence of the spectral density of the energy luminosity on the wavelength increases 81 times?

Detailed solution with a brief record of the conditions, formulas and laws used in the decision, the conclusion of the calculation formula and the answer.
If you have any questions about the decision, write. I will try to help. File in image format.