A photoelectric effect experiment uses a light of frequency 8x1014Hz and a metal with a work function of 1.2eV. A 1.5V stop potential is also applied. What is the maximum kinetic energy of the emmited electrons?
I was thinking about using Ek= hf-W
The Attempt at a Solution
If I were to use that equation I would get:
= (6.63x10-14)(8x1014) - (1.2)
= 53.04 - 1.2
= 51.84 J
* I have never used eV before so I'm not sure if I had to do anything with it...
Also it gives me the stop potential and I'm not sure if or how I'm supposed to use it.
Please help, thanks. (: