Physics, 25.05.2021 20:40 taminazaka1

A 620 nm light falls on a photoelectric surface and electrons with the maximum kinetic energy of 0.14 eV are emitted. (a) Determine the work function (in eV). 1.86 eV (b) Determine the cutoff frequency of the surface (in THz). THz (c) What is the stopping potential (in V) when the surface is illuminated with light of wavelength 420 nm

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A 620 nm light falls on a photoelectric surface and electrons with the maximum kinetic energy of 0.1...