Derive Einstein's photo-electric relation. Prove intensity law on the basis of Einstein relation.

Write Einstein.s photo electric equation.

Explain Einstein's photo electric equation.

Derive Einstein's equation of photoelectric effect

Discuss Einstein's mass- energy relation.

Explain the nature of the curves on the basis of Einstein's equation.

State laws of photoelectric emission. Establish Einstein photo-electric relation. Explain the laws of photoelectric emission on the bassis of this relation.