The retarding potential for having zero photo - electron current

Photo electric current

What are photo-electrons?

What are photo electrons?

On what factors does the retarding potential of a photocell depend ?

At stopping potential, the photo electric current becomes

The mass of a photo electron is

Find the retarding potential requred to stop the escape of photo electrons from the metal surface of work function 1.07 eV , which is irradiated with light of wavelength 332 mn