... Rayleigh, who apparently found the function F in June 1900. He used a standard result from classical statistical physics (the equality, or “equipartition” of energy among all the degrees of freedom) and applied it to the radiation oscillators. He found F to be a constant. The result is perfectly correct from the standpoint of classical physics but at the same time perfectly absurd because his expression predicts that the total radiation energy (E(T,v)dv is infinite.
Wien's displacement law is a basic law of physics that describes the relationship between the temperature of an object and the wavelength at which it emits the maximum amount of radiation. It states that objects with higher temperatures emit shorter wavelengths of radiation, while objects with lower temperatures emit longer wavelengths.
Wien's displacement law was first derived by Austrian physicist Wilhelm Wien in the late 19th century using theoretical and empirical methods. It was later confirmed by experiments and is now considered a fundamental law of thermal radiation.
The mathematical expression for Wien's displacement law is λmax = b/T, where λmax is the wavelength at which an object emits the maximum amount of radiation, b is a constant known as Wien's displacement constant, and T is the temperature of the object in Kelvin.
Wien's displacement law is closely related to the concept of blackbody radiation, which is the thermal radiation emitted by an object at a given temperature. This law helps us understand the spectrum of radiation emitted by a blackbody at different temperatures, and has applications in fields such as astronomy and thermodynamics.
Wien's displacement law has practical applications in various fields, including astronomy, thermodynamics, and engineering. It helps us understand the behavior of thermal radiation in different environments and can be used to calculate the temperature of objects based on their emitted radiation. It also plays a crucial role in the design of technologies such as infrared sensors and thermal imaging devices.