What is photoelectric effect ?

In photoelectric effect

In photoelectric effect

In photoelectric effect,

In photoelectric effect,

In photoelectric effect,

What is the photoelectric effect? With the help of suitable graph show the variation of photocurrent with (i) the intensity of incident radiation. (ii) the voltage applied between cathode and anode. (iii) the frequency of incident radiation.

What Is saturation current in photoelectric effect ?