Photon
A photon is essentially the smallest piece of light there is, and the energy of a photon is related directly to the frequency. The energy of a photon is determined by Planck’s constant multiplied by the frequency.
![Photon](/sites/default/files/styles/viewport/public/2020-07/6363.jpg.webp?itok=-xweHCW1)
Related Terms: Color, Light, Photon Density