The collector plate in an experiment on photoelectric effect

Last updated: 6/11/2023

The collector plate in an experiment on photoelectric effect is kept vertically above the emitter plate Light source is put on and a saturation photocurrent is recorded An electric field is switched on which has a vertically downward direction Which of the following is are incorrect A The photocurrent will increase B The kinetic energy of the electrons will increase C The stopping potential will decrease D The threshold wavelength will increase