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 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 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 photosensitive surface is illuminated with light of wavelenght lambda , the stopping potential 74 is V. When the same surface is illuminated by light of wavelength 2lambda , stopping potential is V/4. The threshold wavelength for the surface is N lambda then N will be ,-

When a surface 1cm thick is illuminated with light of wave length lambda the stopping potential is V_(0) , but when the same surface is illuminated by light of wavelength 3 lambda , the stopping potential is V_(0)/6 . The threshold wavelength for matellic 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 surface 1 cm thick is illuminated with light of wavelength lambda , the stopping potential is V_(0) , but when the same surface is illuminated by light of wavelength 3lambda , the stopping potential is (V_(0))/(6) . Find the threshold wavelength for metallic surface.

When a metallic surface is illuminated with radiation of wavelength lambda , the stopping potential is V . If the same surface is illuminated with radiation of wavelength 2 lambda , the stopping potential is (V)/(4) . The threshold wavelength 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 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: