When a metallic surface is illuminated with monochromatic light of wavelength `lambda`, the stopping
Channel: Doubtnut
Date: 12/04/2020

When a metallic surface is illuminated with monochromatic light of wavelength `lambda`, the stopping potential is `5 V_0`. When the same surface is illuminated with light of wavelength `3lambda`, the stopping potential is `V_0`. Then the work function of the metallic surface is: