In the photoelectric effect, the maximum speed of the electronsemitted by a metal surface when it is illuminated by light dependson which of the following? I. Intensity of the light II. Frequencyof the light III. Nature of the photoelectric surface
I only
III only
I and II only
II and III only
I, II, and III only

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Jamar FerryLv2

14 Apr 2019

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A photoelectric experiment is conducted with a sodium surfacewith work function = 2.28 eV.

a) When the surface is illuminated with light with a wavelengthof 410nm, what are the speed and kinetic energy of the emittedelectron

b) is the electron relativistic?

c) what is the minimum frequency needed to detect aphotocurrent?

d) what is the maximum wavelength of light that can be used todetect a photocurrent?

e) what are the speed and kinetic energy of he emitted electronif the incident light is 700 nm on the same sodium surface?

Physics 110,000