A photoelectric surface is illuminated successively by monochromatic light of wavelength λ and λ2 . If the maximum kinetic energy of the emitted photoelectrons in the seconds case is 3 times that in the first case, the work function of the surface of the material is :
(h = Planck’s constant, c = speed of light)
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A photoelectric surface is illuminated successively by monochromatic light of wavelength λ and 2λ. If the maximum kinetic energy of the emitted photoelectrons in the second case is 3 times that in the first case, the work function of the surface of the material is : (h= Planck's constant, c=speed of light)
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