What's the Longest Possible Wavelength?
quora.comPick up a magnet and slowly wag it around. There, you've emitted some low frequency photons.
As DC is essentially 0-frequency AC, there's no lower bound to the electromagnetic spectrum.
Pick up a magnet and slowly wag it around. There, you've emitted some low frequency photons.
As DC is essentially 0-frequency AC, there's no lower bound to the electromagnetic spectrum.