When a centimeter thick surface is illuminated with light of wavelength `lamda`, the stopping potential is V. When the same surface is illuminated by light of wavelength `2lamda`, the stopping potential is `(V)/(3)`. Threshold wavelength for the metallic surface is

When a centimetre thick surfaces is illuminated with light of wavelength lambda , the stopping potential is V . When the same surface is illuminated by light of wavelength 2lambda , the stopping potential is V//3 . The threshold wavelength for the surface is:

When a metalic surface is illuminated with light of wavelength lambda, the stopping potential is V. the same surface is illuminated by light of wavelength 2lambda the stopping potential is (V)/(3) The thershold waelength for the surface is

When a metalic surface is illuminated with light of wavelength lambda, the stopping potential is V. the same surface is illuminated by light of wavelength 2lambda the stopping potential is (V)/(3) The thershold waelength for the surface is

When a metallic surface of threshold wavelength 4lamda is illuminated with light of wavelength lamda the stopping potential is V. When the same surface is illuminated by the light of wavelength 2lamda Stopping potential is V/3 Threshold wavelength for the metallic surface is

When a metallic surface is illuminated with radiation of wavelength lamda , the stopping potential is V . If the same surface is illuminated with radiation of wavelength 2lamda , the stopping potential is V/4 . The threshold wavelength for the metallic surface is

When a metallic surface is illuminated with radiation of wavelength lamda , the stopping poential is V. If the same surface is illuminated with radiation of wavelength 2lamda , the stopping potential is V/4 . The threshold wavelength for the metallic surface is