Can microwaves be used in the experiment on photoelectric effect?

In photoelectric effect,

What is photoelectric effect ?

Polychromatic (containing many different frequencies) radiation is used in an experiment on photoelectric effect. The stopping potential.

A particular metal used as a cathode in an experimentonphotoelectric effect does not show photoelectric effect when it is illuminated with green light. Which of the colours in the visible spectrum are likely to generate photocurrent?

Derive Einstein's equation of photoelectric effect

State the characteristics of photoelectric effect

Define threshold wavelength for photoelectric effect.