A photocell with a constant potential difference of V volt across it, is illuminated by a point source from a distance of 25 cm. when the source is moved to a distance of 1 m, the electrons emitted by the photocell A photocell with a constant potential difference of V volt across it is illuminated by a point source from a distance of 25 cm. when the source is moved to a distance of 1 m the electrons emitted by the photocell September 4, 2021 Category: Chapter 11 - Dual Nature of Radiation and Matter , MTG NEET Physics , Part 2 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related