1 Common rashes include eczema, poison ivy, hives, and athlete's foot. 2  Infections that cause rashes may be fungal, bacterial, parasitic, or viral.  Over-the-counter products may be helpful treatments for many skin rashes.
The conditions under which this process occurs happen in two ways. According to the Cornell Center for... Atoms emit a photon when an electron falls from a high-energy state to a low-energy state. The conditions under which this process occurs happen in two ways. According to the Cornell Center for...
The energy of emitted photons equals the energy that was originally absorbed by the electron minus any other lost energy. Thus, the energy of photons can vary to a great degree since it is dependent upon the energy of source electrons. For instance, the electrons may come from radio waves, which contain much less energy than do microwaves, infrared rays, or visible light, or from a source that contains a much greater amount of energy, such as ultraviolet light or X-rays.