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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

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15y ago

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How is the frequency of an ME wave related to its energy?

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.


How is the energy of an em wave determined?

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.


What kind of EM wave has the lowest energy?

radio wave


How em wave are generated from photon?

em wave is generated by photons which emitter the energy in the form of light


What does the wavelength of an EM wave tell you about its energy?

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.


How is the frequency of an EM wave related to it's energy?

The higher the frequency of a wave, the higher its energy.


How is wavelength of an EM wave related to its energy?

The shorter the wavelength of a wave, the higher its energy.


From Where does the energy carried by an EM wave come?

The electromagnetic (EM) spectrum is a name for different types of radiation. Most radiation comes from the sun. Want more info?


What does the wavelength of an EM wave tell about its energy?

The shorter the wavelength of a wave, the higher its energy.


Which kind of EM wave has he lowest energy?

Radio waves have the lowest energy among the electromagnetic spectrum.


How do you find energy of an EM wave?

E=hv Where: E is energy h is plank's constant and v is frequency.


Which wave is carrying the most energy?

The wave carrying the most energy is the one with the highest amplitude.