86 Physics By Gk Scientist Nov 20, 2023 An uncharged ping-pong ball is coated with a thin layer of metal and suspended with the help of an insulating string in the narrow region between two metallic and oppositely charged plates. If the ball accidentally touches one of the plates, describe the subsequent motion.
57 Physics By Gk Scientist Nov 20, 2023 A metal has a definite work function. Why do photo-electrons not come out all with the same energy even if irradiated with monochromatic light?