I don't think there is any upper limit, but the longest used in practice are in long wave radio transmission, this can be around 1500 meters
E=hv Where: E is energy h is plank's constant and v is frequency.
The shortest wave is a Gamma wave
Gamma radiation
The ultra-high energy cosmic ray has the most energy discovered, so far.
As a seismic wave grows larger, the energy it carries remains constant. The amplitude (height) of the wave increases, but the total energy the wave carries does not change. The energy is redistributed within the wave to accommodate the larger amplitude.
The frequency of an electromagnetic (EM) wave is directly proportional to its energy. This means that as the frequency of the EM wave increases, so does its energy. Conversely, a decrease in frequency leads to a decrease in energy of the EM wave.
The energy of an electromagnetic (EM) wave is determined by its frequency and amplitude. The higher the frequency, the higher the energy of the wave. Additionally, the amplitude of the wave also plays a role in its energy content.
radio wave
em wave is generated by photons which emitter the energy in the form of light
The wavelength of an electromagnetic (EM) wave is inversely proportional to its energy - shorter wavelengths correspond to higher energy, and longer wavelengths correspond to lower energy. This phenomenon is described by the equation E = hν, where E is the energy of the EM wave, h is Planck's constant, and ν is the frequency of the wave.
The higher the frequency of a wave, the higher its energy.
The shorter the wavelength of a wave, the higher its energy.
The electromagnetic (EM) spectrum is a name for different types of radiation. Most radiation comes from the sun. Want more info?
The shorter the wavelength of a wave, the higher its energy.
Radio waves have the lowest energy among the electromagnetic spectrum.
E=hv Where: E is energy h is plank's constant and v is frequency.
The wave carrying the most energy is the one with the highest amplitude.