By photoelectric effect, Einstein, proved

Write Einsteins's equation of photoelectric effect. Give Einstens explanation of photoelectric effect.

Albert Einstein proposed a radically new picture of electromagnetic radiation to explain photoelectric effect. Identify Einstein.s photoelectric equation?

Write down the Einstein’s equation in photoelectric effect. Explain the characteristics of photoelectric effect with the aid of quantum theory of Einstein.

What is photoelectric effect? Mention the Einstein's photoelectric equation.