(a) The wavelength of light incident on a metal surface is reduced from 1 to, 2. (Both...
Question:
(a) The wavelength of light incident on a metal surface is reduced from λ1 to, λ2. (Both λ1 and λ2 are less than the threshold wavelength for the surface.) When the wavelength is reduced in this way, what is the change in the stopping potential for photoelectrons emitted from the surface?
(b) Evaluate the change in stopping potential for λ1 = 295nm and λ2 = 265nm.
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