In an experiment on the photoelectric effect, an evacuated photocell with a pure metal cathode is used. Which graph best represents the variation of V, the minimum potential difference an evacuated photocell with a pure metal cathode is used. Which graph best represents the variation of V In an experiment on the photoelectric effect the minimum potential difference October 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related