The law that states “When visible light of high frequency electromagnetic radiation illuminates a metallic surface, electrons are emitted” is known as ____________.
∙ A. Einstein law of photon
∙ B. Marconi’s law
∙ C. Maxwell’s law
∙ D. Plank’s law
∙ A. Einstein law of photon
∙ B. Marconi’s law
∙ C. Maxwell’s law
∙ D. Plank’s law