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Sahay Sir > Question Answers > JEE Mains Physics 2002-2019 Solved Video Solutions > Chapter 17 - Dual Nature of Radiation > When a certain photosensitive surface is illuminated with monochromatic light of frequency v, the stopping potential for the photo current is −V0/2. When the surface is illuminated by monochromatic light of frequency v/2, the stopping potential is −V0. The threshold frequency for photoelectric emission is :

When a certain photosensitive surface is illuminated with monochromatic light of frequency v, the stopping potential for the photo current is −V0/2. When the surface is illuminated by monochromatic light of frequency v/2, the stopping potential is −V0. The threshold frequency for photoelectric emission is :

the stopping potential for the photo current is −V0/2. When the surface is illuminated by monochromatic light of frequency v/2 the stopping potential is −V0. The threshold frequency for photoelectric emission is : When a certain photosensitive surface is illuminated with monochromatic light of frequency v