Fourier Transform, Optics, Cameras, Technology, Science.
and a typical FM radio frequency is about 100 MHz. You can also express the energy of visible light as frequency with the same units. In which case green light would be about 600,000,000 MHz, or 6 × 10^(14) Hz, or 600 THz (terahertz). Think of the capacity of the hard drive on your modern computer