91Ó°ÊÓ

Based on the solution provided, discuss how the radiation emitted by a blackbody changes as its temperature increases. As the temperature of a blackbody increases, the emitted radiation undergoes several changes: 1. The total power output increases: The Stefan-Boltzmann Law explains that the total power radiated per unit area is proportional to the fourth power of the blackbody's temperature. Therefore, as the temperature rises, the total power output also increases. 2. The peak wavelength shifts to higher frequencies: Wien's Displacement Law states that as the blackbody's temperature increases, the peak of the radiation emitted shifts to shorter wavelengths or higher frequencies. This shift in wavelength alters the color of the emitted radiation (for example, a star's color changes from red to blue as its temperature increases). 3. The intensity of radiation at all wavelengths increases: Planck's Law illustrates that the intensity of radiation emitted at all wavelengths rises as a blackbody's temperature increases. This means that the object becomes brighter and emits more energy at all wavelengths as its temperature increases. In conclusion, as a blackbody's temperature increases, its emitted radiation is altered in terms of total power output, peak wavelength, and intensity at all wavelengths.