A photoelectric surface is illuminated successively by monochromatic light of wavelength `lambda` and `( lambda)/(2)`. If the maximum kinetic energy of the emitted photoelectrons in the second case is 3 times that in the first case, the work function at the surface of material is

A photoelectric surface is illuminated successively by monochromatic light of wavelength lambda and (lambda)/(2) . If the maximum kinetic energy of the emitted photoelectrons in the second case is 3 times than in the first case , the work function of the surface of the material is (h = Plank's constant , c = speed of light )

A photoelectric surface is illuminated successively by monochromatic light of wavelength lambda and (lambda)/(2) . If the maximum kinetic energy of the emitted photoelectrons in the second case is 3 times than in the first case , the work function of the surface of the material is ( h = Plank's constant , c = speed of light )

A photoelectric surface is illuminated successively by monochromatic light of wavelength lambda and (lambda)/(2) . If the maximum kinetic energy of the emitted photoelectrons in the second case is 3 times than in the first case , the work function of the surface of the material is ( h = Plank's constant , c = speed of light )

A photoelectric surface is illuminated successively by monochromatic light of wavelength lambda and (lambda)/(2) . If the maximum kinetic energy of the emitted photoelectrons in the second case is 3 times than in the first case , the work function of the surface of the material is ( h = Plank's constant , c = speed of light )

A photoelectric surface is illuminated successively by monochromatic light of wavelength lambda and (lambda)/(2) .If the maximum kinetic energy of the emitted photoelectrons in the second case is 3 times in the first case,the work function of the surface of the material is: (h=Plank's constant ,c=speed of light)

A photoelectric surface is illuminated successively by monochromatic light of wavelength lambda and lambda/2 . If the maximum kinetic energy of the emmited photoelectrons in the second case is 3 times that in the first case the work function of the surface of the material is: (h= plank's constant , c=speed of light).

A photoelectric source is illuminated successively by monochromatic light of wavelenth lamda and (lamda)/(2) . Calculate the work function of material of the source if the maximum kinetic energy of the emitted photoelectrons in the second case is 3 times that in the first case.

Light of wavelength 4000 Å is incident on a metal surface. The maximum kinetic energy of emitted photoelectron is 2 eV. What is the work function of the metal surface ?

Light of wavelength 4000A∘ is incident on a metal surface. The maximum kinetic energy of emitted photoelectron is 2 eV. What is the work function of the metal surface?