what is photoelectric effect

Asked by anish.4006 | 18th Sep, 2020, 08:00: PM

Expert Answer:

When electromagnetic radiation strikes on the surface of alkali metals, they emit electrons. This is called the photoelectric effect. This occurs as alkali metals have low ionization energies, which allows the electrons to be easily ejected when exposed to light

Answered by  | 18th Sep, 2020, 08:50: PM