["Light of wavelength "400nm" is incident"],["continuously on "a" cesium ball "" (work function "],[1.9eV" ).The maximum potential to which the "],[" ball will be charged is- "]

Light of wavelength lambda = 400 nm is incident on a photosensitive metal whose work function is 2 eV. The maximum kinetic energy of photo electrons emitted will be

Light of wavelength 500 nm is incident on a metal with work function 2.28 eV . The de Broglie wavelength of the emitted electron is

Light of wavelength 500 nm is incident on a metal with work function 2.28 eV. The de Broglie wavelength of the emitted electron is :

Light of wavelength 500 nm is incident on a metal with work function 2.28 eV . The de Broglie wavelength of the emitted electron is

Light of wavelength 500 nm is incident on a metal with work function 2.28 eV . The de Broglie wavelength of the emitted electron is

Monochromatic light of wavelength 198 nm is incident on the surface of a metal, whose work function is 2.5 eV. Calculate the stopping potential.

(a) Calculate KE of photoelectron emiited from sodium surface when light of wavelength 400nm is incident on it (Work function of sodium =2.28eV ). (b) Calculate maximum wavelength (threshold wavelength) that can cause emission of photoelectron from sodim surface.

(a) Calculate KE of photoelectron emiited from sodium surface when light of wavelength 400nm is incident on it (Work function of sodium =2.28eV ). (b) Calculate maximum wavelength (threshold wavelength) that can cause emission of photoelectron from sodim surface.