Is the E=hw Law for Photons Infallible?

[I_wonder]

Has anyone ever come across any experiments suggesting that the E=hw law for the energy of photons may require some correction, especially in the case of low energy photons ?

 

[Andy Resnick]

E = homework is not a law, in the sense of thermodynamic laws or Newton's laws. E = homework is nothing more than a relationship between a massless particle's energy and the corresponding wave's angular frequency. There may be some research on time-dependencies of h, but I don't know of anything serious.

 

[charng]

I can say that the equation E=hw, also known as the Planck-Einstein relation, is a fundamental law in physics that has been extensively tested and verified through various experiments. It describes the relationship between the energy (E) of a photon and its frequency (w). This relation has been proven to be accurate for all types of photons, including low energy photons.

There have been no experiments that suggest the need for correction in the E=hw law for photons. In fact, the equation has been confirmed by numerous experiments, including the photoelectric effect, blackbody radiation, and the Compton effect.

However, it is important to note that in certain situations, such as in quantum mechanics and special relativity, the equation may need to be modified or extended to accurately describe the behavior of particles at the subatomic level. But for most practical applications, the E=hw law holds true.

In summary, based on the current understanding and evidence, there is no reason to doubt the validity of the E=hw law for the energy of photons. It remains a fundamental and reliable equation in the field of physics.