Stopping potential of emitted photo electron is V when monochromatic light of wavelength 'lamda' incident on a metal surface. If wavelength of light incident becomes 'lambda/3' stopping potential of photoelectrons becomes V/4 then the threshold wavelength of metal is k'lambda' then k will be

For a monochromatic light incident on a metal surface, the maximum velocity of the emitted photoelectrons is v. Then the stopping potential would be

For a monochromatic light incident on a metal surface, the maximum velocity of the emitted photoelectrons is v. Then the stopping potential would be

When light of wavelenght lambda incident on a metal then stopping potential is 10V. If wavelengt is increase to 3 lambda then stopping potential is 2V . Which of the following can emit electron form the metal : -

For a monochromatic light incident on a metal surface, the maximum velocity of emitted photoelectrons is v. Then the stopping potential would be

When light of wavelength lambda is incident on photosensitive surface, the stopping potential is V. When light of wavelength 3lambda is incident on same surface, the stopping potential is V/6 Threshold wavelength for the surface is

When a metal is illuminated by light of wavelength lambda , the stopping potential is V_@ and for wavelength 2lambda , it is 3V_@ .Then the threshold wavelength is ?

When light of wavelength lambda is incident on photosensitive surface, the stopping potential is V. When light of wavelength 3lambda is incident on same surface, the stopping potential is V/6 Thereshould wave length for the surface is

When light of wavelength lambda is incident on photosensitive surface, the stopping potential is V. When light of wavelength 3lambda is incident on same surface, the stopping potential is V/6 Thereshould wave length for the surface is

When a piece of metal is illuminated by a monochromatic light of wavelength lambda , then stopping potential is 3V_s . When the same surface is illuminated by the light of wavelength 2 lambda , then stopping potential becomes V_s . The value of threshold wavelength for photoelectric emission will be