Question

Explain with the help of Einstein photoelectric equation any two observed features of
photoelectric effect which can not be explained by wave theory.​

Answer 1

Explanation:

These are the two features of Photoelectric effect which can not be explained by wave theory but can be explained through Einstien's photoelectric equation: ... For a given metal, there exists a certain minimum frequency of the incident radiation below which no emission of photoelectrons takes place.