摘要：When light of sufficientenergyshines upon a metal surface,electronsare emitted from the surface of the metal. This phenomenon is k

When light of sufficient energy shines upon a metal surface, electrons are emitted from the surface of the metal. This phenomenon is known as the photoelectric effect. As well as providing evidence for the particlenature of light, it also is the phenomenon behind solar cells.

来源：安娜说留学