Let a light of wavelength `lamda` and intensity \'I\' strikes a metal surface to emit x
Channel: Doubtnut
Date: 2020-03-29

Let a light of wavelength `lamda` and intensity \'I\' strikes a metal surface to emit x electrons per second. Average energy of each electron is \'y\' unit. What will happen to \'x\' and \'y\' when (a). `lamda` is halved (b) intensity I is doubled?