What are Photo Electrons?Photoelectron DefinitionA photoelectron is defined as an electron emitted from a material when it absorbs light energy. This emission process is called the photoelectric effect and it provides key evidence for the quantum nature of light and matter. This article will explain what photoelectrons are, how they are produced, factors affecting their emission, and their applications in science and technology.Photoelectric EffectThe photoelectric effect is the process where el