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Sahay Sir > Question Answers > MTG NEET Physics > Part 2 > Chapter 11 - Dual Nature of Radiation and Matter > When a photosensitive surface is illuminated with light of wavelength lambda , the stopping potential is v0. But when light of wavelength 2 lambda is incident on the same surface, the stopping potential is V0/8. What is the threshold wavelength for the surface ?

When a photosensitive surface is illuminated with light of wavelength lambda , the stopping potential is v0. But when light of wavelength 2 lambda is incident on the same surface, the stopping potential is V0/8. What is the threshold wavelength for the surface ?

the stopping potential is v0. But when light of wavelength 2 lambda is incident on the same surface the stopping potential is V0/8. What is the threshold wavelength for the surface ? When a photosensitive surface is illuminated with light of wavelength lambda