Planck discovered the energy for electromagnetic waves to be Energy=hf. The energy is Planck's Constant times the frequency of the wave.
gamma rays
The least energy of the electromagnetic spectrum is found at the lowest frequencies, which are the longest wavelengths. The lowest frequency waves of the electromagnetic spectrum are radio waves in...
Gamma rays ACJM
Gamma Waves.I absolutely HATE Apex(:
The electromagnetic spectrum organizes different types of electromagnetic waves according to their wavelength or frequency.