In this experiment, photons (particles of light) are shown to have both particle-like behavior (as they knock electrons off a metal surface) and wave-like behavior (as the intensity of the light affects the number of electrons knocked off).
In this experiment, photons (particles of light) are shown to have both particle-like behavior (as they knock electrons off a metal surface) and wave-like behavior (as the intensity of the light affects the number of electrons knocked off).